The Battle for Wesnoth is a turn-based strategy game with a fantasy theme in which you have to build up a great army, gradually turning raw recruits into hardened veterans. In later games, you can recall your toughest warriors and form a deadly host. You can choose units from a large pool of specialists, and hand-pick a force with the right strengths to fight well on different terrains against all manner of opposition. The Battle for Wesnoth features over 200 unit types in six major factions, all with distinctive abilities, weapons and spells, hundreds of campaign scenarios available for download via a simple in-game procedure, several multi-player options available, including internet play, and many more.

Windows | Mac | Source (Gamers Hell)