The mission/mod never seem to matter. The game launches from steam. Crash. A wasteland 404 1.3 starts, crash. Coop starts, crashed. Wasteland mission moves smooth for 5 minutes or so, lags up, then crashes. I went into the showcase. Infantry was fine for a few minutes, then suddenly it crashed. It did not seem to matter what game mode/mission I was in yesterday, for it to constantly crash. Whereas the day before, there were no issues at all.