I was asked to do separate thread of this issue. For me the performance drops suddently about 10 minutes playing and never seem to get back to good. If I savegame, exit and come back to load the prison. FPS gets smooth again before again the slowdown after ~10minutes. I am playing the latest alpha 7...

For the performance drops suddently about 10 minutes playing and never seem to get back to good. If I savegame, exit and come back to load the prison. FPS gets smooth again before again the slowdown after ~10minutes. I am playing the latest alpha 7, problem was also in the earlier versions. Else hav...