[Strategy] The Battle for Wesnoth is a Free, turn-based tactical strategy game with a high fantasy theme, featuring both single-player, and online/hotseat multiplayer combat. Fight a desperate battle to reclaim the throne of Wesnoth, or take hand in any number of ..
[VOTE] +2 / -0 / clicks: 556
2. Free Orion
[Strategy] FreeOrion is a free, open source, turn-based space empire and galactic conquest (4X) computer game being designed and built by the FreeOrion project. FreeOrion is inspired by the tradition of the Master of Orion games, but is not a clone or remake of ...
[VOTE] +1 / -0 / clicks: 545
4. 0 A.D.
[Strategy] 0 A.D. (pronounced "zero ey-dee") is a free, open-source, cross-platform real-time strategy (RTS) game of ancient warfare. In short, it is a historically-based war/economy game that allows players to relive or rewrite the history of Western civilizations.
[VOTE] +1 / -0 / clicks: 557
5. Bos Wars
[Strategy] 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. ..
[VOTE] +0 / -0 / clicks: 335
6. Warzone 2100
[Strategy] In Warzone 2100, you command the forces of The Project in a battle to rebuild the world after mankind has almost been destroyed by nuclear missiles. The game offers campaign, multi-player, and single-player skirmish modes. An extensive tech tree with ...
[VOTE] +0 / -0 / clicks: 345