1. Entertainment Games
   1. Categorization
   2. Goals
      1. Fun
      2. Motivation
         1. Engagement
         2. Level progressing
         3. Intrinsic
   3. Platform
      1. PC
      2. Consoles
         1. Xbox
         2. Playstation
         3. Nintendo
      3. Portables
         1. Smartphones
         2. Tablets
         3. Game Portables
            1. PS Vita
            2. Nintendo ds
2. Development Process
   1. Process
      1. Need Analysis
      2. Design
         1. Prototype Development
      3. Prototype Development
      4. Validation
         1. Prototype Development
      5. Evaluation
         1. Validation
   2. Conceptualization
   3. Prototyping
   4. Digital Prototyping
   5. Playtesting
   6. Ludology
      1. MDA
         1. Mechanics
         2. Dynamics
         3. Aesthetics
      2. FDD
         1. Formal Elements
            1. Player interaction pattern
            2. Objective
            3. Rules
            4. Procedures
            5. Resources
            6. Boundaries
            7. Outcome
         2. Dramatic Elements
            1. Premise
            2. Character
            3. Story
         3. Dynamic Elements
            1. Emergence
            2. Emergent Narrative
            3. Playtesting
      3. Elemental tetrad
         1. Mechanics
         2. Aesthetics
         3. Technology
         4. Story
      4. Layered Tetrad
         1. Inscribed Layer
            1. Mechanics
            2. Aesthetics
            3. Technology
            4. Narrative
         2. Dynamic layer
         3. Cultural Layer
3. Serious Games
   1. Categorization
      1. Epistemic Games
         1. Knowledge
         2. Epistemic Frames
      2. Educational Games
         1. Learning
         2. Content
      3. Simulation
         1. Training
         2. Secure Environment
      4. Edutainment
   2. Goals
      1. Educating
      2. Training
      3. Simulating
      4. Motivation
         1. Engagement
         2. Intrinsic
         3. Extrinsic
         4. Flow
   3. Platform
      1. PC
      2. Portables
         1. Smartphones
         2. Tablets
   4. Markets
      1. Military Games
      2. Government
      3. Educational
      4. Corporate
      5. Healthcare
      6. Political
      7. Religious
      8. Art Games
4. Taxonomy
   1. Action
      1. 3D Shoot'em up
      2. Action RPG
      3. Dungeon Crawl
      4. Fighting
      5. First-person shooter
      6. Fixed third person shooter
      7. Hack and slash
      8. light gun
      9. MMOFPS
      10. Platformer
      11. Rail shooter
      12. Shmup
      13. Shooter
      14. Side-scrolling shooter
      15. Stealth action
      16. Survival horror
      17. Third person action
      18. Third person shooter
      19. Vehicular combat
   2. Adventure
      1. 2D platformer
      2. 3D platformer
      3. Dungeon Crawl
      4. Eroge
      5. Interactive fiction
      6. Open world
      7. Platformer
      8. Point and click adventure
      9. Sandbox
      10. Roguelike
      11. Text Adventure
      12. Visual Novel
   3. Fighting
      1. 2D fighter
      2. 3D fighter
      3. beat'em up
      4. boxing
      5. hack and slash
      6. versus fighting
      7. wrestling
   4. Racing
      1. Arcade racer
      2. futuristic racer
      3. kart racer
      4. MMOR
      5. simulation racer
   5. RPG
      1. Dungeon crawl
      2. MMOG
      3. MMORPG
      4. PC RPG
      5. roguelike
      6. strategy RPG
      7. tactical RPG
   6. Sport
      1. Arcade sport
      2. extreme sport
      3. simulation sport
      4. statistical sport
      5. basketball
      6. baseball hunting
      7. fishing
   7. Simulation
      1. flight simulation
      2. train simulation
      3. life simulation
      4. MMOS
      5. Open-ended simulation
      6. simulation racer
      7. simulation sport
      8. virtual pet
   8. Strategy
      1. 4xs
      2. man to man wargame
      3. MMORTS
      4. MOBA
      5. Real time strategy
      6. real time tactics
      7. strategy RPG
      8. tower defense
      9. turn based strategy
      10. turn based tactics
      11. wargaming
   9. Parlor
      1. Edutainment
      2. Microgame
      3. Music Game
      4. Party Game
      5. Puzzle
   10. MMO
       1. MMORPG
       2. MMOFPS
       3. MMORTS
       4. MMOS
   11. Misc
       1. Art game
       2. board game
       3. browser based
       4. cutscene
       5. eroge
       6. movie based game
       7. music
       8. music game
       9. non-linear
       10. pinball
       11. side-scroller
   12. Casual Games
5. Gamification
   1. PBL
      1. Points
      2. Badges
      3. Leaderboards
   2. Dynamics
      1. Constraints
         1. Limitations or forced trad-offs
      2. Emotions
         1. Curiosity
         2. Competitiveness
         3. Frustration
         4. Happiness
      3. Narrative
         1. consistent storyline
         2. ongoing storyline
      4. Progression
      5. Relationships
         1. social interactions
         2. status
         3. altruism
   3. Mechanics
      1. Challenges
      2. Chance
      3. Competition
      4. Cooperation
      5. Feedback
      6. Resource Aquisition
      7. Rewards
      8. Transactions
      9. Turns
      10. Win States
   4. Components
      1. Achievements
      2. Avatars
      3. Badges
      4. Boss Fights
      5. Collections
      6. Combat
      7. Content Unlocking
      8. Gifting
      9. Leaderboards
      10. Levels
      11. Points
      12. Quests
      13. Social Graphs
      14. Teams
      15. Virtual Goods