I googled SDL, dug up some environment variables. I fixed the problem by setting this environment variable: export SDL_MOUSE_RELATIVE=0 So I created a tiny starter shell-script to get Defcon rolling: #!/bin/bash # See if this fixes the mouse glitch export SDL_MOUSE_RELATIVE=0 cd /usr/local/games/def...

Right now I'm running it in Kubuntu 12.10, just purchased the paid version on Steam. When I run DEFCON full-screen, there is an issue where I can move my mouse for a fraction of a second, then it snaps back to the screen center. This is very annoying, and makes the game unplayable. So far, the only ...