Open source clone of the Age of Empires II engine
Widelands is a free, open source real-time strategy game
0 A.D. is a free, open-source, cross-platform real-time strategy game.
An enhanced version of 7K:AA (Seven Kingdoms: Ancient Adversaries).
Open source FPS/RTS Game
RTSish Game Engine
Cross-platform real-time strategy game (3D)
A simple gui game that plays the game bagels with users.
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
God game: wage war from the stone age to the future
The forever free, ad-free and open source chess server
A space race game in the style of A Dark Room
Remake of the classic Caesar III game
An online multiplayer tactical warfare game for fast action combat!
The BattleShip is an online game developed in Java.
A simple turn-based artillery game and also a real-time strategy game.
A java desktop game to play tic tac toe in a new way on a 3X3X3 cube!!
A mobile tower 3D tower defense/defend the flag game
This program is a basic way of the "oldschool"-game Tic Tac Toe