Widelands is a strategy game aiming for gameplay similar to Settlers II by BlueByte. You start out on a small piece of land with nothing more than a few useful resources. You can build yourself an empire with many thousands of inhabitants on your way towards the goal of building economic infrastructure, exploring the lands around you and facing enemies.
Bos Wars is a futuristic real time strategy game (RTS). In a RTS game, the player has to combat his enemies while developing his war economy. Everything runs in real-time, as opposed to turn-based games where the player always has to wait for his turn. The trick is to balance the effort put into building his economy and building an army to defend and attack the enemies.
Globulation 2 is an on-going project to create an innovative high quality RTS game by minimizing micro-management and assigning automatically the tasks to the units. The player just has to order the number of units he wants for a selected task and the units will do their best to satisfy his requirements.
This is a highly improved and updated open source version of Warzone 2100, a 3D science fiction real time strategy game (RTS), developed by Pumpkin Studios and published by Eidos Interactive. Warzone 2100 offers campaign, tutorial, multi-player and single-player skirmish game modes, unit designer, unit experience system, and everything you would expect from a modern RTS game. One of the first games to use a 3D RTS environment.
Boson is a real-time strategy game (RTS), similar in feel to games such as Command & Conquer and StarCraft. War can be waged both on the ground and in the air, with large numbers of units all attacking simultaneously.
LinCity-NG is a City Simulation Game. You are required to build and maintain a city. You must feed, house, provide jobs and goods for your residents. You can build a sustainable economy with the help of renewable energy and recycling, or you can go for broke and build rockets to escape from a pollution ridden and resource starved planet,
Free Civ is a free clone of the turn based strategy game Civilization. In this game, each player becomes leader of a civilization, fighting to obtain the ultimate goal: the extinction of all other civilizations.
Battle for control of villages, using a variety of units which have advantages and disadvantages in different types of terrains and against different types of attacks. Units gain experience and advance levels and are carried over from one scenario to the next campaign.