C

Cactus Factory
Developer of games and software for Pocket PC.
http://www.cactusfactory.com/

Cascoly Software
Producers of strategy, trivia, and puzzle games.
http://www.cascoly.com/

Cauldron HQ
European game developer responsible for titles such as Quadrax, Spellcross, and Battle Isle 4.
http://www.cauldron.sk/

Chris' Comics and CPU
Small company developing its own brand of computer games.
http://www.angelfire.com/in2/ccandc/

CITY Interactive
Developer and Publisher of such titles as Project Freedom, WWII: Pacific Heroes, and Wings of Honour; based in Warsaw, Poland. Offers game descriptions and screen shots, news, and company profile.
http://www.city-interactive.com/

Clickteam S.A.R.L.
Developer of Klik and Play, The Games Factory, and IMSI Multimedia Fusion.
http://www.clickteam.com/

Coastal Amusements
Manufacturers of coin operated redemption and sports games for the family amusement centers.
http://www.coastalamusements.com/

CodeFire Entertainment
Offers contact information and registered users may obtain company information.
http://www.codefire.com/

CogniToy, LLC
Developer of MindRover, robotic, puzzle, and cell phone games. Includes profile, description of games, news, and Java based games.
http://www.cognitoy.com/

ColdFusion Game Development
A site dedicated to the development of DirectX games using Visual Basic. Download full source code as well other resources for writing your own games.
http://www.geocities.com/SiliconValley/Drive/8083/

The Collective
Southern California PC and console game developer whose games include Star Trek: DS9, Buffy, and Game of Life [Flash].
http://www.collectivestudios.com/

Conspiracy
Developers of Enclave.
http://www.conspiracygames.com/

Contested Ground Studios
Scottish roleplaying game developers. Home of a/state RPG. Discussion forums, game information, concept art, downloads and wallpaper.
http://www.contestedground.co.uk/

Contraband Entertainment, Inc.
Develops games for console platforms.
http://www.contrabandent.com/

Core Concepts
Developer of various puzzle games.
http://www.coregames.com/

Coresoft Inc.
Develops for Sony Playstation, Sega, PC, and WAP.
http://www.coresoft.com/

Costik.com
Long time video game developer Greg Costikyan. Offers game information and some online play, links to published writings, and a personal section.
http://www.costik.com/

Creative Reality Media, Inc
Developers of the Martian Gothic game. Company information, news and affiliates.
http://www.creativereality.com/

Csharks
A game developing firm in India which creates games in multiple platforms (DirectX, Flash, J2ME, Director, OpenGL).
http://www.csharks.com/