Open source FPS/RTS Game
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Real-time RPG for PC/tablet/phone; multiple quests and random dungeons
online 4X browser game engine
Your death sentence awaits...
A 2D Elite-style game written in Python 3.2.
This program is a basic way of the "oldschool"-game Tic Tac Toe