There might be a fix for some of you in this post, it worked for me.

http://forums.introversion.co.uk/multiwinia/viewtopic.php?t=1764

okay, my first impression was that it was a bit off topic, since it's more about mouse/cam behaviour, but I tried this and it DOES work for the mouse problem too!! I started a game, had the usual problem with the mouse, so I did the following steps as Ice_Dragon_ID explained shortly: - I hit the wi...

I'd like to put my two cents in here. I've got the same processor, operating system (and version), and RAM as Fragman and I'm getting the same issue. This is on a Radeon 8600 GT. The screen constantly shifts focus to the sky in the distance. I'm running it at fullscreen on a 1900x1200 display. I've ...