This seems to affect games like Tremulous who become too dark to play effectively. http://www.tremulous.net/phpBB2/viewtopic.php?t=2024&sid=3b3335cf6287dd4b25823e023f7f070f
A temp solution could be to run xgamma -gamma 2 in the terminal before running a game. -- versions of libsdl prior to 1.2.11 dont work with Composite extensions https://launchpad.net/bugs/61389 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs