Game System
- Car Wars (Compendium II)6
- Caravan: The Looting6
- Card Game Wrestling6
- Cardfight Vanguard6
- Carnegie6
- Cat Sudoku6
- Catan Histories: Settlers of the Stone Age6
- Cave Troll6
- Century: Spice Road6
- Champions (Hero System)6
- Chaos and Alchemy6
- Chaostle6
- Cheapass Games, Life-Sized Kill Doctor Lucky6
- Checkpoint Charlie's6
- Chez6
- Chicago Typewriter (homebrew)6
- China6
- City of Heroes6
- Civilizations - Avalon Hill6
- Classic Battletech: Roleplaying Game6