[quote=102221]Are you seeing a rainbow coloured square in the top-right corner of the screen when the slowdown occurs? If so then you are having power supply issues – your Pi is not getting enough power to it when it needs it which is causing the slowdown.
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You’re the man, that was it! Everything is full speed now. Agreed on Alien 3, I tried a couple of other games that ran better (but not perfect). But for some reason alien just killed it.

Thanks again!