Wing of Madoola reimplementation

Racing game with rally style of driving

Remake of One Must Fall 2097

Space shoot 'em up game.

A free-to-play fantasy MMORPG

A game engine for creating games similar to the popular classic adventure game

Space racing game

Open-world space opera

Outsmart the killer robots to win

2D shooter/RTS with fully destructible terrain

オープンソースな3Dレーシングカートゲーム

A Game Engine for "Commander Keen"

Puzzle game collection

Fast paced, first person strategy game

Controller client to emulate an xbox360 controller for windows

Monopoly®-like Board Games

Word guessing game

Free fast paced arena shooter

A 3D Sonic the Hedgehog fangame based on a modified version of Doom Legacy

A balanced, easy to use, and powerful modern Minecraft launcher

Dhewm 3 is a Doom 3 GPL source port

Free and open source first-person shooter

Open Source voxel shooter

A free to play, graphical MMORPG

A sweet Chess game

Racing at the Next Level

Arcade-style fire fighting game

A simple GOG client for Linux

Story-driven FPS inspired by WWII shooters from the 90's and early 2000's

3D FPS approved by Uncle Sam