Build: 3864 Mode: Survival Severity: severe Summary: Steady reduction in framerate over 5 minutes Description: Since the 184.108.40.20664 patch, any attempt to play the game results in a steady decline in framerate over the first 5 or less minutes of gameplay until the framerate plateaus at 10-20 FPS. Specific playfields have no effect, nor do any of the graphic Options, not even resolution. The ONLY thing that restores the framerate is to completely restart the game from Windows. Just reloading the saved game from the main menu does not restore the framerate; only restarting the game engine restores it (for another few minutes, rinse, lather, repeat). It's the game engine itself at fault, not the game data. This game is not playable at 15 frames per second. Steps to Reproduce: 1) Start the game 2) Load a saved game 3) Play for five minutes.