Well things are on the up and up for games on the linux platform. It has been confirmed that Unreal Tournament 2004 will come with the linux port included and also state on the box that it is included. Check out this post by Mark Rein from Epic Games.
Also a full version of America's Army for linux has been released. Download it from http://www.3dgamers.com/games/americasarmy/
For those of you that have been living under a rock for the last few months, do not forget Return to Castle Wolfenstein: Enemy Territory, which might I add is probably the best FREE linux game you can get right now. Check out
The good people at Icculus have finally released a beta version of Medal of Honor Allied Assault for linux.
A brand new pc game called Savage has been released and it includes the linux client in the box and notes this on the case. I picked up this info from http://www.linuxgames.com