Play a game of Nine Men's Morris.

Clear the screen by removing groups of colored and shaped tiles

Doom BFA is a Doom 3 BFG GPL source port

Turn-based space empire and galactic conquest game

Fan-made remaster of Sonic 3&K

2-D freeform space mystery game

Space exploration and combat game

Interpreter for numerous adventure games and role-playing games

Augustus is an open source re-implementation of Caesar III with changes to gameplay

Blast enemies off a stage

2006Scape is a free, Runescape 2006 Emulation server

IntelPy is a cross-platform chat log monitor and alert system for the game Eve Online

Hardcore 3D space scroll-shooter with spaceship upgrade possibilities

A Game Engine for "Commander Keen"

Battleship game, with a pirate theme

Simple sokoban game

MMORPG open medieval fantasy game

2D space shooting game with gravity

Cosmic horror first-person shooter

Offline collection of Homestuck and its related works

Game engine for Space Cadet Pinball

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

Build molecules out of single atoms

Futuristic strategy game

A party game starring FLOSS mascots

MUME Mapper

Defeat autocreated huge battleships

Launcher for LEGO Universe

Traditional top-down car racing game including a level editor

2D Space Trading & Combat Game