On my new iMac with a GeForce GTX 780M running Mavericks, Killing Floor crashes on launch more often than not. Every time, the crash log ends with:
What confuses me especially is that it doesnUOpenGLRenderDevice::UpdateGamma <- UOpenGLRenderDevice::SetRes <- USDLViewport::TryRenderDevice <- USDLViewport::OpenWindow <- UGameEngine::Init <- InitEngine