Graphic card is ATI Mobility Radeon HD 5470. And the driver is AMD_Catalyst_13.2_Beta3. I tried both vanilla and the new renderer with the same result. All other games work fine. Is there a debug or anything I can provide? Note: Viech, Ingar and tim, thank you very much. You have nailled the issue. ...

All the menu and console text is unreadable white squares or something like that. I believe this is something with locale. In the past, the same thing happened with wolf-ET and the fix was start the game by LC_ALL=C on linux. But now I am on windows8 64bit and don't know how to workaround this bug. ...