When ever you look up or in any direction it sends to down and you just stair at the flore.If you try to look up youl just spin around and around looking at the flore (Does valve just hate Mac users ? ) . This is a HUGE problem makeing th egame isencly Un playable. It Enbarasing at how valve just let this bug Slip into the Patch. and theyve done nouthing to stop this. Pathetic,I know. And iv seen that this problem is ONLY for macs users. They Wont let a game brakeing bug into Windows,But they care so little for mac thale just let it slip in un knoticed. There isnt a solution. And i dont know how to Contact valve about this. Pleas help.