Widelands is an open source (GPLed) real-time strategy game.

Features:

* Four Worlds (Tile Sets) (Greenland, Winterland, Blackland and Desert)
* Three Tribes (Barbarians, Imperials and Atlanteans)
* Several playable single player (tutorial) missions
* Maps for single and multiplayer mode
* Save and load of single and multiplayer games
* Ability to build a settlement from scratch
* Military and warfare (Attacking, Training, defending, conquering of military buildings)
* A map editor, to build your own maps and campaigns

Other notes:

Tutorial and game editor crash the game. Needs alsa 1.0.25 to be crash free, but system has 1.0.20. Singleplayer and Multiplayer should work, but expect crash sometimes.

http://repo.openpandora.org/?page=detail&app=widelands