• Wikipedia
  [ Extensive list of video game genres, complete with descriptions and example games. ]
• New Game Styles by Greg Costikyan
  [ Great powerpoint presentation on the importance of imagining new game styles. Provides some good strategies. ]

Take a look at The Experimental Gameplay Project. Four Grad students make a game a week based on a certain topic. All experimental. Check out their games.

A USER INTERFACE APPROACH

• NON-GAME SYSTEMS
  [ A few systems that using interesting interactive techniques. ]
  
  
  
  
  MOUSE MOVEMENT
  
  1. Motion Phone by Scott Snibbe
     [ Drawing with shapes to create abstract animations. ]
  2. Yellowtail by Golan Levin
     [ Using how you drag a line to animate it. Sonification in the downloadable version.]
  3. Gesture Machines by Zach Lieberman
     [ Experiments with gesture. ]
  4. Letterscapes by Peter Cho
     [ Formal studies in form / shape, but there are interesting interactions as well. ]
  
  
  KEYBOARD INPUT
  
  5. dakadaka
     [ Using the whole keyboard. ]



• GAME SYSTEMS
  [ Games using interesting interactive techiniques. ]
  
  
  ROTATION
  
  1. Twin Spin
  2. Mozaik
  3. Roboto
  
  
  MOUSE MOVEMENT
  
  4. Jedi Trainer
  5. Flip Out
  6. Spin to Win
  
  
  DRAWING
  
  7. String Avoider
  8. Loop
  9. Floats
  
  
  MOUSE CLICK
  
  10. Crash
  11. Arcadia

BASED ON A NEW SUBJECT

• Sissy Fight
  [ A game based on school girls fighting. ]
• Brain Buster
  [ A game based on exersizing your brain (online brain age clone). ]

USING NEW TECHNOLOGY [or using old tech in new ways]

• GPS::Tron
  [ Tron game remade using GPS technologies. ]
• TFT Tennis V180
  [ 3D Pong using monitors that swivel around. ]
• Brainball
  [ Battle of wits using biofeedback. ]
• Red Light, Green Light [movie]
  [ Red Light, Green Light game redone using a hand held screen and sensor as an interface. ]
• xBlocks
  [ A game combining sculpture and mutliple projections. ]