Open source simulation game based on Transport Tycoon Deluxe
An award-winning drawing program for children of all ages
FlightGear Flight Simulator: free open-source multiplatform flight sim
RTS game with the theme of Strategy by Design
A strategy game with a high fantasy theme
Chess Database and Toolkit program
A standalone UQM mod made to enhance gameplay and visuals
For exploring cellular automata like Conway's Game of Life.
Chess Database and PGN viewer
A modern, cross-platform Quake game engine based on FitzQuake.
Good-looking and addictive OpenSource games
Seven Kingdoms: Ancient Adversaries
C64/Amiga emulator with PAL shader and runAhead
A cross-platform port of Hexen II game.