Card Puzzles is yet another excellent freeware card puzzle collection from NZP.

Cave of Monsters is a fun platformer coded with Game Maker program.

Doukutsu Monotagari ("Cave Story" in English) is an excellent freeware side-scrolling platformer/adventure game from Pixel, Japanese maker of the also-superb Ikachan game (reviewed elsewhere on this website).

Cavern Fighter is a faithful PC remake of a classic Spectrum ZX game from Bug-Byte, which is one of the best Scramble clones.

Caverns of Xaskazien is a neat Windows remake (based on SDL) of an obscure but fun DOS Roguelike of the same name written by Jeff Sinasac as a shareware title.

Cirque du Zale is a fun snack-size adventure game from Rebecca Clements that is reminiscent of Monkey Island in all respects: wacky sense of humor, polished graphics, and fun puzzles.

CloudPhobia is yet another excellent freeware horizontal shooter from Japan.

One of the best fangames I have ever come across, Codename: Gordon is a great-looking, addictive 2D side-scrolling platformer set in Valve's famous Half-Life universe.

Commando is a superb side-scrolling platformer from Fallen Angel Industries, one of the best freeware making groups.

Dan! Da! Dan! (yes, I'd like to know what this hard-to-spell title means, too) is a fun mix between puzzle and vertical shooter from OMEGA, the author of freeware classic...