Runs great on XP. Hi-res modes don't make it choppy on even an average PC like 1.86 GHz Intel Core2Duo + a 120$ 8600 GT.
Controls:
I use a Logitec Rumblepad II. It's a Playstation style gamepad and fully compatible with this title. You must use the controls menu to map right stick for shooting directions first!
I haven't tried mouse and keyboard support yet.
Motivation:
I suck at playing games like this but sometimes I feel I must shoot the hell out of some geometry stuff and this game does the job well in serving my hunger for arcade classics. A musthave...