Crispy Doom
Crispy Doom is a free and open source port of Doom with enhanced-resolution, limit-removing, based on Chocolate Doom
Tux Football
Tux Football is a free and open source, multiplatform 2D football game in an arcade style
Chromium B.S.U.
Chromium B.S.U. is a free and open source, space-scrolling shooter in an arcade style
Dungeon Crawl Stone Soup
Dungeon Crawl Stone Soup is a free and open source game in the Roguelike genre, an adventure through dungeons filled with dangerous monsters in search of the mysteriously fabulous Orb of Zot
Scorched3D
Scorched3D is a free and open source, multi-platform simple turn-based artillery strategy game in real time
Atomic Tanks
Atomic Tanks is a free and open source, multi-platform turn-based artillery strategy game, a clone of Scorched Earth
IceBreaker
IceBreaker is a free and open source, multi-platform game based on the Xonix game
TrackMania Nations Forever
TrackMania Nations Forever is a free multiplayer online racing game
BrickBuster
BrickBuster is a free and open source, multi-platform Brick Breaker game whose goal is to survive as many rounds as possible
Sonic Robo Blast 2
Sonic Robo Blast 2 is a free and open source, multi platform 3D fan game of Sonic the Hedgehog, based on a modified version of Doom Legacy