CS 426 Designing the Game © Jason Leigh Electronic Visualization Lab, University of Illinois at Chicago. - ppt download
By A Mystery Man Writer
Description
Question for you: Why do you play games?
CS 426 Designing the Game © 2003 - 2007 Jason Leigh Electronic Visualization Lab, University of Illinois at Chicago.
© Jason Leigh Electronic Visualization Lab, University of Illinois at Chicago.
Players want to HAVE FUN! Players want a challenge – sense of accomplishment, or adrenaline rush. Players want a dynamic solitaire experience – different from books or movies- interactive. Players want to socialize – play with friends and strangers over the network; bragging rights. Players want bragging rights- high scores & score comparisons at the end of each multiplayer tournament. Players want an emotional experience – excitement in shooters; fear in horror. Players want to fantasize – do what is not normally possible; become someone else.
Expect a consistent world – same rules should apply everywhere. Expect to understand the game-world’s bounds – What is possible and not possible in a game. Expect reasonable solutions to work – ie solutions should not be arbitrary. Expect Direction – truly free form games do not really exist (yet); players want some notion of a goal. Expect to accomplish a task incrementally – ie sub-goals present themselves towards the final goal.
Expect a Fair Chance – multiple levels of difficulty – the game must be at least completable at the easiest level. Expect to Not Need to Repeat Themselves – repetitions should also include some differences (e.g. different levels of a platformer). Expect to Not Get Hopelessly Stuck – provide multiple solutions to a problem so that if a user forgot to do something early on in the game, they are not prevented from finishing the game. RPGs are notorious for this. Expect to Do, Not Watch – do not make cutscenes too long; provide a way to skip through long scenes.
From this list choose and rank the top 3 features that are most important to you in order to attract you to plunk down $50 to buy a game. Good weapons. Interactivity. Unpredictability. Lots of Action. Excitement. Interesting Story. Realistic Graphics. Good sound effects. Good characters. Others- please specify. What type of game player are you: Casual Player – play arbitrary games now and then. Hobbyist – have many genres of games but not an expert in any one. Hardcore – hobbyist who is an expert in a genre and follows it religiously
1st most important thing… 2nd most important thing… Steve Jones respondants. Name 3 of the most important characteristics of a good game. 3rd most important thing…
Summing up all the frequencies from the 3 tables
Is there a more theoretical basis for why people play games and what they want
First lets consider what is meant by: FUN
Steve’s question for any new game proposals: What is the Funativity Quotient Ie: What elements of the game contributed to the feeling of fun, and to what degree was each part of the design important to that process.
Natural: ie based on Evolutionary concepts. For example: Chris Crawford - Animals learn by playing, not going to school. Marshall McLuhan (Communictions theorist) - there is little difference between education and entertainment. Christopher Wills - Animals play to practice basic survival skills, establish social dominance, learning to live with their peers.
We were/are hunters / gatherers - is it surprising that games like Halo & Pacman are so popular After returning from a hunt, they can: Go back out again and hunt some more- the workaholic. Rest until your belly is empty again. Foraging - constructive rest . Use off-time to learn new things, to think about how to improve things for the next hunt- ie better strategies, better weapons. They can do this in safety and so there are benefits over going on the hunt without end. Similarly, video games allows us to learn/do things in a safe environment- much like martial arts today are a safe way to engage in historical battle. Without some kind of learning, an activity eventually becomes mundane. When people stop learning in a game, they stop playing it. The survival skills crucial to our ancestors, as well as hobbies & pastimes popular today, are good sources of inspiration for new game themes. Consider what skills and information the player learns over the course of your game, and emphasize skills important to the player’s survival in the game. Establishing a safe, familiar territory & then inviting players to explore its mysterious boundaries is a proven feature of many successful games.
Physical Fun. Our strongest instinct: survival. We are hardwired to enjoy practicing physical activities that enhance our survival. We enjoy TV shows, books, news, about survival- e.g. police shows, doctors, etc. Forms of physical fun based on survival: Hunting: 1997 surprise big video game hit: Deer Hunter. Gathering: Shopping, Gambling, Beanie Babies, Pokemon, Pacman. Exploring places: e.g. traveling. There are inherent survival advantages of knowing where to find good stuff or to avoid dangerous places. Myst. Tool Use: Build bigger better solutions / weapons etc. Dancing: All cultures dance. It is a social survival skill. Dance Dance Revolution. Reproduction: activities like: meeting, attracting a mate. Multiplayer games facilitate social engagements. Video games are about doing, not telling. Let the players control or initiate actions so they can learn physical skills instead of making them into a passive observer.
Social Fun. Shopping, trading collectibles, team sports, storytelling (vital for survival as a means of sharing information) Social fun manifests in several ways in games: Stories about places and people, stories told by people in the game. Multiplayer games. Everquest, Ultima Online. Cooperative single-player games. Halo. AIs (Artificially Intelligent characters) have been used to expand multiplayer games but once AIs are detected the player loses interest- because the challenge is in beating another player that is normally better than an AI. E.g. Jedi Outcast. Adding secrets, Easter eggs, tradable objects, or characters to games that players can share with friends adds social aspects that can extend gameplay opportunities.
Mental Fun. Games that test our logical or pattern-matching skills. Chess, Tetris, Rubic’s cube. How is pattern-matching useful in survival Your entire visual system is a complex pattern matcher- over 2/3 of your brain is dedicated to visual image processing. How is Tetris useful for Algebra v2=u2+2as. KE=1/2 mv2. => KE=1/2 m (u2+2as) Making underlying play patterns in games consistent & predictable makes them easier to learn, but adding new patterns as the game progresses keeps it fresh & fun.
Many games have all 3 components: Halo: physical mastering of game controller and weapons, navigating and exploring spaces, killing aliens, gathering weapons; multiplayer capable; devising tactics to use against aliens. KOTOR: is an excellent example where to get thru a phase of the game you could either fight, or solve a puzzle. Deconstruct your game idea…
Developer & publisher logo screens. Opening animation / cutscene to provide context. Game configuration screen. Select control layout. Built-in tutorial. Game type – single or multiplayer. Cheats. Extras – unlockable gems. Credits. Level or Game prep screen and/or cutscene. Select attributes of your character - choose a person or a spaceship. The Game level (save here) The end-of-level cutscene. Save game here. Repeat from 4. End of game cutscene. Elaborate on this.
Sid Meier’s definition of a great game: A great game is a series of interesting and meaningful choices made by the player in pursuit of a clear and compelling goal. Series of choices: ie it must be interactive- this is fundamentally different from creating a movie - where there is no choice. A compelling goal: A series of choices without a goal is not a game, it is a toy. Will Wright (designer of Sim City / The Sims) calls his games software toys- not games. But players can create goals for themselves rather than have them set by the game designer. Clear goals are better than confusing ones- otherwise players become bored and frustrated. Interesting and meaningful: If you offer a choice in a game, it better pay off for the player and not be redundant. E.g. Weapon A vs B or Path A vs B should not produce redundant results- otherwise the choice is functionally meaningless & ultimately unsatisfying- usually you hear this as poor level design. If 2 objects in a world have different functions but the player does not notice the difference, the choice is not meaningful. Make sure the player is aware of both short-term & long-term goals at all points of the game. Test your game regularly with people who have never seen it before. Periodically ask them what they think they are supposed to accomplish next, & why it is important. That will tell you if your goals are clear & compelling.
Convexity is the notion that one option or choice expands into many and then back to one again. A game designer applies convexity structure by creating choices that continuously diverge and later converge at crisis points . Role-Playing Games are an excellent example. Chess is another example. Change the story, setting, or interface if necessary to make limitations in a set of choices invisible. Give players alternatives to tough challenges that let them improve their skills or gather new resources to avoid frustrating bottlenecks. Gives the player the sense that choices are available and yet makes the game tractable for developers. Ie it is not infinitely open-ended. E.g. KOTOR had several solutions to a problem.
Episodes or Chapters gives the player a sense of accomplishment. And allows them to save the game. Allows game to adjust difficulty level and to train players to handle greater difficulty. Incorporate more choices as players become accustomed to using them. In long RPGs players can sense the end of the game coming & become more impatient. Start reducing size of convexities toward the end.
According to Natural Funativity- mastering those challenges is at the heart of a good game. But how do we introduce increasing difficulty
Flow refers to a kind of optimal experience, which is simultaneously demanding and rewarding. E.g. musicians lost in their music; programmers composing code; athletes who are in the zone ; gamers playing for hours.
Too Hard. (Becomes Frustrating to player) Increasing. Difficulty. Game Difficulty Progression. Too Easy. (Becomes Boring to player) Increasing Time (and Player Skill)
Too Hard. (Becomes Frustrating to player) Increasing. Difficulty. Ideal Game Difficulty Progression. Provide variations in difficulty. Too Easy. (Becomes Boring to player) Increasing Time (and Player Skill)
Relax and vary difficulty. In-between convexities but. still with a general trend toward. Increasing difficulty. Place increasingly difficult at each convexity.
Art of writing takes years to perfect. Beginning game developers often forget that. If your game has a story, bring a writer in early. In writing the mantra is: Show don’t tell Beginner writers: Largo LaGrande was an evil man, the type who would trip a blind man and laugh or steal candy from a baby. Better: LaGrande watched the blind beggar hobble slowly down the sidewalk, & stuck out his foot at just the right instant to send the graybeard sprawling on the pavement. LaGrande chuckled & grabbed a lollipop from a little boy who had stopped to gape in horror.
Accomplish storytelling by having players DO the action- not by watching a cutscene. Always try to let the players make the interesting choices- not take them away by doing them in a cutscene because it’s easier for you. E.g. in the Matrix game you can’t do the fancy cartwheel-&-pick-up the gun trick but you can watch it in a cutscene. Prince of Persia excels in this. Delete non-essential cutscenes, & minimize essential cutscenes. If faced with a conflict between a design decision that will favor gameplay or story, first look for a compromise that favors both, & failing that, favor gameplay. Changing a story is easier than the gameplay. Games that abruptly wrestle control from players to show a cutscene is jarring to players. When making the transition between interactive & narrative modes, be sure to warn the player with visual & auditory cues, & try to minimize or eliminate those transitions.
Consider what skills and information the player learns over the course of your game, and emphasize skills important to the player’s survival in the game. The survival skills crucial to our ancestors, as well as hobbies & pastimes popular today, are good sources of inspiration for new game themes. Establishing a safe, familiar territory & then inviting players to explore its mysterious boundaries is a proven feature of many successful games. Video games are about doing, not telling. Let the players control or initiate actions so they can learn physical skills instead of making them into a passive observer. Adding secrets, Easter eggs, tradable objects, or characters to games that playersc an share with friends adds social aspects that can extend gameplay opportunities. Making underlying play patterns in games consistent & predictable makes them easier to learn, but adding new patterns as the game progresses keeps it fresh & fun. Make sure the player is aware of both short-term & long-term goals at all points of the game. Test your game regularly with people who have never seen it before. Periodically ask them what they think they are supposed to accomplish next, & why it is important. That will tell you if your goals are clear & compelling. Change the story, setting, or interface if necessary to make limitations in a set of choices invisible. Give players alternatives to tough challenges that let them improve their skills or gather new resources to avoid frustrating bottlenecks. The smaller your budget, the more critical it is for you to make sure the player sees & uses everything you can afford to put into the game. Introduce new skills to master one at a time, & give players a chance to enjoy their sense of mastery (if they so choose) before challenging them with a tough obstacle or opponent & then moving on to the next skill & challenge. Always include variations in type & difficulty of challenges & actions the player must accomplish to account for the range of players’ skills & abilities to make your games accessible popular to a wider audience. Designers should work with experienced writers (& vice versa) to take advantage of the best integration of gameplay & story. Whenever possible, reveal character & advance the storyline thru gameplay, not exposition. Let the player play. Delete non-essential cutscenes, & minimize those that cannot be deleted. Make your playing characters & non-playing characters memorable, & give then colorful & fun qualities- ie not drones. If faced with a conflict between a design decision that will favor gameplay or story, first look for a compromise that favors both, & failing that, favor gameplay. When making the transition between interactive & narrative modes, be sure to warn the player with visual & auditory cues, & try to minimize or eliminate those transitions.
Brainstorm game idea- define the FOCUS or X Factor of the game. High level design document – storyboards. Technical design document – data structures. Develop iterative prototype. Game loop. Art and code to support desired graphical effects. Play testing. For correctness. For fun-ness. Repeat at step 4 or 3 until reach publishing deadline. Tune game.
E.g. It’s a first-person shooter, like DOOM By Story. Tends to occur most often in RPGs or games based on films – e.g. Infocom Adventures, Knights of the Old Republic, Spiderman. Often stories are created after the gameplay is decided. – E.g. Jedi Knight. Every game programmer thinks he/she’s a novelist- avoid this mistake. By Technology. E.g. Using a game engine like Quake, UnReal would typically suggest a first or third person action/shooter rather than a strategy game. Because games are real time simulations that play on hardware that has limitations, the brainstorms often need to be constrained by technological capabilities and the abilities of a programming team to develop them. E.g. Can you put 1000 enemies on the screen at the same time. E.g. Can you simulate the AI needed to create a compelling computer opponent.
Concept / Sales Pitch Document – gameplay explanation, screen mockups, storyboards, description of art style, bios of team members, chosen platform, marketplace, budgets, estimated timelines. Design Document – different from traditional functional spec of say, a Word Processor. There is no way to spec a winning game. The game is often tweaked during the course of development. Spec consists of storyboards, backstory, etc. Technical Design Document – Data structures, AI algorithms, algorithms for implementing graphical elements – like explosions.
Executive summary – the 1 page big picture summary – specifies the FOCUS of the game. Game mechanics - how the user reacts to the world. What can the user do in the world Artificial Intelligence – how the world reacts to the user. How do opponents respond to the users Game Progression – the events the player experiences. Game levels. What happens when the player finishes a task What happens when you finish the level What is different in the next level Game Elements - Characters, items, objects/mechanisms – elements that are encountered, accessible, at each level of the game. Story – if there is one, the story helps define why certain gameplay elements make sense- e.g. why can the player fly Script – final execution of the story and cutscenes will require a script. Sound effects – elements in the story that generate sound effects and the sound effects they generate. Background sounds. Menus and interface design – how users control the environment, game dashboard, opening menus, save/load screens, options & cheat screens. Art Bible – sketches and mockups of objects, characters, items. Storyboards – useful in illustrating aspects of the gameplay- e.g. camera angles or layout of game screens; storyboards are absolutely necessary for cutscenes.
DO NOT start by brainstorming the opening cutscene of the game. Draw them by HAND. NOT BY COMPUTER. Do them FAST. Let the IDEAS flow. DO NOT JUDGE the Ideas.
A demo program like what one would typically download from a game web site just before the release of the game. Demo usually has 1 or 2 game levels that illustrate to the player what the game is like. It is a mini-game- ie it has a Start, a Middle (the game), and an Ending (usually advertisement- but yours should just let the user restart from the beginning.)
Each presentation will last no more than 10 minutes. The Demo. In 1 minute explain what the FOCUS of the game is. Each presentation will consist of a series of demos: Demo the game to show overall game play. Demo the game highlighting the sound. Explanation of the user-interface. For each demo, I would like to hear the team member speak about their contributions. E.g. the person who put together the sound should talk about how the sound effects were created.
Web site that contains: Introduction. Play instructions and description of user-interface (with good diagrams/illustrations) . Gallery of all sketches, prototype images of designs, various versions of the game in progress, pictures of all aspects of the game during play. In total I expect to see about 50 pictures. Technical documentation: Finite State Machine diagrams- main loop, NPCs (Non Player Characters) Data structures used. Descriptions and illustrations on how graphical effects are implemented – e.g. glowing fireball. Descriptions of basic AI algorithm. Descriptions and diagrams of any networking message handshakes used. Descriptions on what sound effects are in the game and how they were created- perhaps by merging several sound effects together. Full download of the entire game with source code and .exe file.
Today, go through Game Design Document template and write down what you know or have defined explicitly, and what you still have to define. Prioritize what are the aspects of the game that you will develop. Web site for your company where you will post this design document: Intro page with names of all the company members and roles. Game design document. Software design document. Audio/Visual Gallery. Early art work. Screen snaps as game develops. Sound effects files. Link to download the game. Look at the due date for the 1st prototype presentation and work backwards to come up with a schedule. E.g. 10/14 – present demo. 10/12 – install and test demo on demo machines. 10/12 – completed web page document to provide overview of what has been accomplished to-date. 10/11 – freeze game prototype capabilities. 10/1 – add models. 9/30 – build basic game engine to drive tank through space and fire bullets. Also come up with a schedule for the final demonstration by working backwards from 11/11. Put the timeline on your web page. Anything that you contribute to the web page, put your name next to it, so that at the end of the semester I know who contributed what. This could mean the difference between an A & a B in your grade.
You are not here to destroy your colleague. You are here to all work 110% because frankly that should be your philosophy in everything you do. There is too much mediocrity in the world why contribute to it In life the only time positive things happen to you is if you do something well. Even then there are ways to do things better- so start with the best you can and always try to do better. The project manager has the most unenviable role in a company. The project manager is the one who lies awake at night thinking about how to do things better & what the backup plans should be if something is late or falls through. The manager has to be the one to speak frankly to the team member that is not delivering on time or to the right degree of quality. When discussing issues: Give everyone a chance to explain their decisions. Provide criticism on the work, NOT the person. Provide constructive but mindful ideas of how to improve something. E.g. have you thought about trying X The reason is, if you try X…. Never take criticism personally. No Whining- just get it done- ie are you an AmeriCAN or an AmeriCANT Everyone is busy - Always respect everyone’s time. So: Be on time at meetings. If you are late for a meeting you inconvenience others. It shows lack of respect for other people’s time. My schedule does not revolve around yours. If you have to be late due to something you cannot control, call someone at the meeting. Set an agenda for the meeting well before the meeting. After a meeting write down a list of resolutions / tasks / directives for each person. If someone comes away from a meeting with nothing to do- something is very wrong.
Put together a timeline by starting backwards from the deadline. Update timeline or check off DONE items at each weekly meeting and update it on the Web. The project manager should be in charge of updating the timeline. Make a table with the following entries: Due Date. Milestone (ie major goals) Milestone Status / Comments. Tasks for Team Member A (ie tasks to achieve the goals) Status of Tasks for Team Member A. Tasks for Team Member B. Status of Tasks for Team Member B. Etc.. Put down any special dates like family travel / religious holidays etc on the timeline so your colleagues know well in advance that you will be tied up. Exchange cell phone and addresses. Create backups of your work on multiple computers / media. Backup includes your web site. Use a version control system like Subversion, if possible. Integrate parts of your game as often as possible- preferably weekly. DO NOT WAIT TILL THE END TO INTEGRATE. Keeping a constantly working version provides visible progress & therefore encouragement. Test this game on your friends for feedback. Write down the feedback and save it for your web site.
CS 426 Designing the Game © 2003 - 2007 Jason Leigh Electronic Visualization Lab, University of Illinois at Chicago.
© Jason Leigh Electronic Visualization Lab, University of Illinois at Chicago.
Players want to HAVE FUN! Players want a challenge – sense of accomplishment, or adrenaline rush. Players want a dynamic solitaire experience – different from books or movies- interactive. Players want to socialize – play with friends and strangers over the network; bragging rights. Players want bragging rights- high scores & score comparisons at the end of each multiplayer tournament. Players want an emotional experience – excitement in shooters; fear in horror. Players want to fantasize – do what is not normally possible; become someone else.
Expect a consistent world – same rules should apply everywhere. Expect to understand the game-world’s bounds – What is possible and not possible in a game. Expect reasonable solutions to work – ie solutions should not be arbitrary. Expect Direction – truly free form games do not really exist (yet); players want some notion of a goal. Expect to accomplish a task incrementally – ie sub-goals present themselves towards the final goal.
Expect a Fair Chance – multiple levels of difficulty – the game must be at least completable at the easiest level. Expect to Not Need to Repeat Themselves – repetitions should also include some differences (e.g. different levels of a platformer). Expect to Not Get Hopelessly Stuck – provide multiple solutions to a problem so that if a user forgot to do something early on in the game, they are not prevented from finishing the game. RPGs are notorious for this. Expect to Do, Not Watch – do not make cutscenes too long; provide a way to skip through long scenes.
From this list choose and rank the top 3 features that are most important to you in order to attract you to plunk down $50 to buy a game. Good weapons. Interactivity. Unpredictability. Lots of Action. Excitement. Interesting Story. Realistic Graphics. Good sound effects. Good characters. Others- please specify. What type of game player are you: Casual Player – play arbitrary games now and then. Hobbyist – have many genres of games but not an expert in any one. Hardcore – hobbyist who is an expert in a genre and follows it religiously
1st most important thing… 2nd most important thing… Steve Jones respondants. Name 3 of the most important characteristics of a good game. 3rd most important thing…
Summing up all the frequencies from the 3 tables
Is there a more theoretical basis for why people play games and what they want
First lets consider what is meant by: FUN
Steve’s question for any new game proposals: What is the Funativity Quotient Ie: What elements of the game contributed to the feeling of fun, and to what degree was each part of the design important to that process.
Natural: ie based on Evolutionary concepts. For example: Chris Crawford - Animals learn by playing, not going to school. Marshall McLuhan (Communictions theorist) - there is little difference between education and entertainment. Christopher Wills - Animals play to practice basic survival skills, establish social dominance, learning to live with their peers.
We were/are hunters / gatherers - is it surprising that games like Halo & Pacman are so popular After returning from a hunt, they can: Go back out again and hunt some more- the workaholic. Rest until your belly is empty again. Foraging - constructive rest . Use off-time to learn new things, to think about how to improve things for the next hunt- ie better strategies, better weapons. They can do this in safety and so there are benefits over going on the hunt without end. Similarly, video games allows us to learn/do things in a safe environment- much like martial arts today are a safe way to engage in historical battle. Without some kind of learning, an activity eventually becomes mundane. When people stop learning in a game, they stop playing it. The survival skills crucial to our ancestors, as well as hobbies & pastimes popular today, are good sources of inspiration for new game themes. Consider what skills and information the player learns over the course of your game, and emphasize skills important to the player’s survival in the game. Establishing a safe, familiar territory & then inviting players to explore its mysterious boundaries is a proven feature of many successful games.
Physical Fun. Our strongest instinct: survival. We are hardwired to enjoy practicing physical activities that enhance our survival. We enjoy TV shows, books, news, about survival- e.g. police shows, doctors, etc. Forms of physical fun based on survival: Hunting: 1997 surprise big video game hit: Deer Hunter. Gathering: Shopping, Gambling, Beanie Babies, Pokemon, Pacman. Exploring places: e.g. traveling. There are inherent survival advantages of knowing where to find good stuff or to avoid dangerous places. Myst. Tool Use: Build bigger better solutions / weapons etc. Dancing: All cultures dance. It is a social survival skill. Dance Dance Revolution. Reproduction: activities like: meeting, attracting a mate. Multiplayer games facilitate social engagements. Video games are about doing, not telling. Let the players control or initiate actions so they can learn physical skills instead of making them into a passive observer.
Social Fun. Shopping, trading collectibles, team sports, storytelling (vital for survival as a means of sharing information) Social fun manifests in several ways in games: Stories about places and people, stories told by people in the game. Multiplayer games. Everquest, Ultima Online. Cooperative single-player games. Halo. AIs (Artificially Intelligent characters) have been used to expand multiplayer games but once AIs are detected the player loses interest- because the challenge is in beating another player that is normally better than an AI. E.g. Jedi Outcast. Adding secrets, Easter eggs, tradable objects, or characters to games that players can share with friends adds social aspects that can extend gameplay opportunities.
Mental Fun. Games that test our logical or pattern-matching skills. Chess, Tetris, Rubic’s cube. How is pattern-matching useful in survival Your entire visual system is a complex pattern matcher- over 2/3 of your brain is dedicated to visual image processing. How is Tetris useful for Algebra v2=u2+2as. KE=1/2 mv2. => KE=1/2 m (u2+2as) Making underlying play patterns in games consistent & predictable makes them easier to learn, but adding new patterns as the game progresses keeps it fresh & fun.
Many games have all 3 components: Halo: physical mastering of game controller and weapons, navigating and exploring spaces, killing aliens, gathering weapons; multiplayer capable; devising tactics to use against aliens. KOTOR: is an excellent example where to get thru a phase of the game you could either fight, or solve a puzzle. Deconstruct your game idea…
Developer & publisher logo screens. Opening animation / cutscene to provide context. Game configuration screen. Select control layout. Built-in tutorial. Game type – single or multiplayer. Cheats. Extras – unlockable gems. Credits. Level or Game prep screen and/or cutscene. Select attributes of your character - choose a person or a spaceship. The Game level (save here) The end-of-level cutscene. Save game here. Repeat from 4. End of game cutscene. Elaborate on this.
Sid Meier’s definition of a great game: A great game is a series of interesting and meaningful choices made by the player in pursuit of a clear and compelling goal. Series of choices: ie it must be interactive- this is fundamentally different from creating a movie - where there is no choice. A compelling goal: A series of choices without a goal is not a game, it is a toy. Will Wright (designer of Sim City / The Sims) calls his games software toys- not games. But players can create goals for themselves rather than have them set by the game designer. Clear goals are better than confusing ones- otherwise players become bored and frustrated. Interesting and meaningful: If you offer a choice in a game, it better pay off for the player and not be redundant. E.g. Weapon A vs B or Path A vs B should not produce redundant results- otherwise the choice is functionally meaningless & ultimately unsatisfying- usually you hear this as poor level design. If 2 objects in a world have different functions but the player does not notice the difference, the choice is not meaningful. Make sure the player is aware of both short-term & long-term goals at all points of the game. Test your game regularly with people who have never seen it before. Periodically ask them what they think they are supposed to accomplish next, & why it is important. That will tell you if your goals are clear & compelling.
Convexity is the notion that one option or choice expands into many and then back to one again. A game designer applies convexity structure by creating choices that continuously diverge and later converge at crisis points . Role-Playing Games are an excellent example. Chess is another example. Change the story, setting, or interface if necessary to make limitations in a set of choices invisible. Give players alternatives to tough challenges that let them improve their skills or gather new resources to avoid frustrating bottlenecks. Gives the player the sense that choices are available and yet makes the game tractable for developers. Ie it is not infinitely open-ended. E.g. KOTOR had several solutions to a problem.
Episodes or Chapters gives the player a sense of accomplishment. And allows them to save the game. Allows game to adjust difficulty level and to train players to handle greater difficulty. Incorporate more choices as players become accustomed to using them. In long RPGs players can sense the end of the game coming & become more impatient. Start reducing size of convexities toward the end.
According to Natural Funativity- mastering those challenges is at the heart of a good game. But how do we introduce increasing difficulty
Flow refers to a kind of optimal experience, which is simultaneously demanding and rewarding. E.g. musicians lost in their music; programmers composing code; athletes who are in the zone ; gamers playing for hours.
Too Hard. (Becomes Frustrating to player) Increasing. Difficulty. Game Difficulty Progression. Too Easy. (Becomes Boring to player) Increasing Time (and Player Skill)
Too Hard. (Becomes Frustrating to player) Increasing. Difficulty. Ideal Game Difficulty Progression. Provide variations in difficulty. Too Easy. (Becomes Boring to player) Increasing Time (and Player Skill)
Relax and vary difficulty. In-between convexities but. still with a general trend toward. Increasing difficulty. Place increasingly difficult at each convexity.
Art of writing takes years to perfect. Beginning game developers often forget that. If your game has a story, bring a writer in early. In writing the mantra is: Show don’t tell Beginner writers: Largo LaGrande was an evil man, the type who would trip a blind man and laugh or steal candy from a baby. Better: LaGrande watched the blind beggar hobble slowly down the sidewalk, & stuck out his foot at just the right instant to send the graybeard sprawling on the pavement. LaGrande chuckled & grabbed a lollipop from a little boy who had stopped to gape in horror.
Accomplish storytelling by having players DO the action- not by watching a cutscene. Always try to let the players make the interesting choices- not take them away by doing them in a cutscene because it’s easier for you. E.g. in the Matrix game you can’t do the fancy cartwheel-&-pick-up the gun trick but you can watch it in a cutscene. Prince of Persia excels in this. Delete non-essential cutscenes, & minimize essential cutscenes. If faced with a conflict between a design decision that will favor gameplay or story, first look for a compromise that favors both, & failing that, favor gameplay. Changing a story is easier than the gameplay. Games that abruptly wrestle control from players to show a cutscene is jarring to players. When making the transition between interactive & narrative modes, be sure to warn the player with visual & auditory cues, & try to minimize or eliminate those transitions.
Consider what skills and information the player learns over the course of your game, and emphasize skills important to the player’s survival in the game. The survival skills crucial to our ancestors, as well as hobbies & pastimes popular today, are good sources of inspiration for new game themes. Establishing a safe, familiar territory & then inviting players to explore its mysterious boundaries is a proven feature of many successful games. Video games are about doing, not telling. Let the players control or initiate actions so they can learn physical skills instead of making them into a passive observer. Adding secrets, Easter eggs, tradable objects, or characters to games that playersc an share with friends adds social aspects that can extend gameplay opportunities. Making underlying play patterns in games consistent & predictable makes them easier to learn, but adding new patterns as the game progresses keeps it fresh & fun. Make sure the player is aware of both short-term & long-term goals at all points of the game. Test your game regularly with people who have never seen it before. Periodically ask them what they think they are supposed to accomplish next, & why it is important. That will tell you if your goals are clear & compelling. Change the story, setting, or interface if necessary to make limitations in a set of choices invisible. Give players alternatives to tough challenges that let them improve their skills or gather new resources to avoid frustrating bottlenecks. The smaller your budget, the more critical it is for you to make sure the player sees & uses everything you can afford to put into the game. Introduce new skills to master one at a time, & give players a chance to enjoy their sense of mastery (if they so choose) before challenging them with a tough obstacle or opponent & then moving on to the next skill & challenge. Always include variations in type & difficulty of challenges & actions the player must accomplish to account for the range of players’ skills & abilities to make your games accessible popular to a wider audience. Designers should work with experienced writers (& vice versa) to take advantage of the best integration of gameplay & story. Whenever possible, reveal character & advance the storyline thru gameplay, not exposition. Let the player play. Delete non-essential cutscenes, & minimize those that cannot be deleted. Make your playing characters & non-playing characters memorable, & give then colorful & fun qualities- ie not drones. If faced with a conflict between a design decision that will favor gameplay or story, first look for a compromise that favors both, & failing that, favor gameplay. When making the transition between interactive & narrative modes, be sure to warn the player with visual & auditory cues, & try to minimize or eliminate those transitions.
Brainstorm game idea- define the FOCUS or X Factor of the game. High level design document – storyboards. Technical design document – data structures. Develop iterative prototype. Game loop. Art and code to support desired graphical effects. Play testing. For correctness. For fun-ness. Repeat at step 4 or 3 until reach publishing deadline. Tune game.
E.g. It’s a first-person shooter, like DOOM By Story. Tends to occur most often in RPGs or games based on films – e.g. Infocom Adventures, Knights of the Old Republic, Spiderman. Often stories are created after the gameplay is decided. – E.g. Jedi Knight. Every game programmer thinks he/she’s a novelist- avoid this mistake. By Technology. E.g. Using a game engine like Quake, UnReal would typically suggest a first or third person action/shooter rather than a strategy game. Because games are real time simulations that play on hardware that has limitations, the brainstorms often need to be constrained by technological capabilities and the abilities of a programming team to develop them. E.g. Can you put 1000 enemies on the screen at the same time. E.g. Can you simulate the AI needed to create a compelling computer opponent.
Concept / Sales Pitch Document – gameplay explanation, screen mockups, storyboards, description of art style, bios of team members, chosen platform, marketplace, budgets, estimated timelines. Design Document – different from traditional functional spec of say, a Word Processor. There is no way to spec a winning game. The game is often tweaked during the course of development. Spec consists of storyboards, backstory, etc. Technical Design Document – Data structures, AI algorithms, algorithms for implementing graphical elements – like explosions.
Executive summary – the 1 page big picture summary – specifies the FOCUS of the game. Game mechanics - how the user reacts to the world. What can the user do in the world Artificial Intelligence – how the world reacts to the user. How do opponents respond to the users Game Progression – the events the player experiences. Game levels. What happens when the player finishes a task What happens when you finish the level What is different in the next level Game Elements - Characters, items, objects/mechanisms – elements that are encountered, accessible, at each level of the game. Story – if there is one, the story helps define why certain gameplay elements make sense- e.g. why can the player fly Script – final execution of the story and cutscenes will require a script. Sound effects – elements in the story that generate sound effects and the sound effects they generate. Background sounds. Menus and interface design – how users control the environment, game dashboard, opening menus, save/load screens, options & cheat screens. Art Bible – sketches and mockups of objects, characters, items. Storyboards – useful in illustrating aspects of the gameplay- e.g. camera angles or layout of game screens; storyboards are absolutely necessary for cutscenes.
DO NOT start by brainstorming the opening cutscene of the game. Draw them by HAND. NOT BY COMPUTER. Do them FAST. Let the IDEAS flow. DO NOT JUDGE the Ideas.
A demo program like what one would typically download from a game web site just before the release of the game. Demo usually has 1 or 2 game levels that illustrate to the player what the game is like. It is a mini-game- ie it has a Start, a Middle (the game), and an Ending (usually advertisement- but yours should just let the user restart from the beginning.)
Each presentation will last no more than 10 minutes. The Demo. In 1 minute explain what the FOCUS of the game is. Each presentation will consist of a series of demos: Demo the game to show overall game play. Demo the game highlighting the sound. Explanation of the user-interface. For each demo, I would like to hear the team member speak about their contributions. E.g. the person who put together the sound should talk about how the sound effects were created.
Web site that contains: Introduction. Play instructions and description of user-interface (with good diagrams/illustrations) . Gallery of all sketches, prototype images of designs, various versions of the game in progress, pictures of all aspects of the game during play. In total I expect to see about 50 pictures. Technical documentation: Finite State Machine diagrams- main loop, NPCs (Non Player Characters) Data structures used. Descriptions and illustrations on how graphical effects are implemented – e.g. glowing fireball. Descriptions of basic AI algorithm. Descriptions and diagrams of any networking message handshakes used. Descriptions on what sound effects are in the game and how they were created- perhaps by merging several sound effects together. Full download of the entire game with source code and .exe file.
Today, go through Game Design Document template and write down what you know or have defined explicitly, and what you still have to define. Prioritize what are the aspects of the game that you will develop. Web site for your company where you will post this design document: Intro page with names of all the company members and roles. Game design document. Software design document. Audio/Visual Gallery. Early art work. Screen snaps as game develops. Sound effects files. Link to download the game. Look at the due date for the 1st prototype presentation and work backwards to come up with a schedule. E.g. 10/14 – present demo. 10/12 – install and test demo on demo machines. 10/12 – completed web page document to provide overview of what has been accomplished to-date. 10/11 – freeze game prototype capabilities. 10/1 – add models. 9/30 – build basic game engine to drive tank through space and fire bullets. Also come up with a schedule for the final demonstration by working backwards from 11/11. Put the timeline on your web page. Anything that you contribute to the web page, put your name next to it, so that at the end of the semester I know who contributed what. This could mean the difference between an A & a B in your grade.
You are not here to destroy your colleague. You are here to all work 110% because frankly that should be your philosophy in everything you do. There is too much mediocrity in the world why contribute to it In life the only time positive things happen to you is if you do something well. Even then there are ways to do things better- so start with the best you can and always try to do better. The project manager has the most unenviable role in a company. The project manager is the one who lies awake at night thinking about how to do things better & what the backup plans should be if something is late or falls through. The manager has to be the one to speak frankly to the team member that is not delivering on time or to the right degree of quality. When discussing issues: Give everyone a chance to explain their decisions. Provide criticism on the work, NOT the person. Provide constructive but mindful ideas of how to improve something. E.g. have you thought about trying X The reason is, if you try X…. Never take criticism personally. No Whining- just get it done- ie are you an AmeriCAN or an AmeriCANT Everyone is busy - Always respect everyone’s time. So: Be on time at meetings. If you are late for a meeting you inconvenience others. It shows lack of respect for other people’s time. My schedule does not revolve around yours. If you have to be late due to something you cannot control, call someone at the meeting. Set an agenda for the meeting well before the meeting. After a meeting write down a list of resolutions / tasks / directives for each person. If someone comes away from a meeting with nothing to do- something is very wrong.
Put together a timeline by starting backwards from the deadline. Update timeline or check off DONE items at each weekly meeting and update it on the Web. The project manager should be in charge of updating the timeline. Make a table with the following entries: Due Date. Milestone (ie major goals) Milestone Status / Comments. Tasks for Team Member A (ie tasks to achieve the goals) Status of Tasks for Team Member A. Tasks for Team Member B. Status of Tasks for Team Member B. Etc.. Put down any special dates like family travel / religious holidays etc on the timeline so your colleagues know well in advance that you will be tied up. Exchange cell phone and addresses. Create backups of your work on multiple computers / media. Backup includes your web site. Use a version control system like Subversion, if possible. Integrate parts of your game as often as possible- preferably weekly. DO NOT WAIT TILL THE END TO INTEGRATE. Keeping a constantly working version provides visible progress & therefore encouragement. Test this game on your friends for feedback. Write down the feedback and save it for your web site.
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