Warcraft fans and C&C gamers would enjoy this - the GPL RTS game Glest version 2.0 has been released recently. And now you have a Loki installer for the Linux version to test it out:
Loki installer for the Linux version of Glest 2.0:
http://www.glest.org/board/viewtopic.php?t=1204
More screenshots and information can be found here:
http://www.glest.org/board/viewtopic.php?t=586
http://www.glest.org/en/index.html
PS: Btw, the game has won the "PlayStation ArtFutura Video Game Design Award" granted by SONY in Spain:
http://www.glest.org/board/viewtopic.php?t=429