wesnoth

The Battle for Wesnoth – free & open-source turn-based strategic game

Itching to find a new game, polish your strategy skills and play against others online? Here's an open-source turn-based strategy game with a fantasy theme - Battle for Wesnoth. Battle for Wesnoth might not have the fancy graphics as other commercially available turn-based computer games, but it is definitely a smart, engaging and a lot of fun to play.