A free multiplayer action game in which you control clonks, small but witty and nimble humanoid beings.
An open source simulation game based upon the popular Microprose game "Transport Tycoon Deluxe".
Set up and lead your army of defenses to keep the enemies from reaching your castle.
Wage war across the galaxy with three unique and powerful races.
Build a castle, engage in political mind games, farm peacefully or wage war in Stronghold Kingdoms, the world’s first persistent Castle MMO.
A free, open source roguelike RPG, featuring tactical turn-based combat and advanced character building.
Indie Turn Based Strategy in Isometric Pixel Art.
A free to play multiplayer combat game which is focused on military vehicular combat.
A free, open source real-time strategy game with singleplayer campaigns and a multiplayer mode.
A free, multiplatform, open-source RTS game where massive robot armies fight an endless conflict.