I did test the GC version on my Wii and it seems to be working perfect
I already know the xbox version works great
I also tested a PSone pad via a USB converter (I could of use a PS2 pad also if I wanted) and set USB HID on and even that worked fine, though SELECT seemed to crash it (it's a button that GC pads don't have though), though still best with a GC pad anyway then at least the on screen button prompts are correct for the pad, I don't mind the GC pads though they have a nice layout to them, very close to the 360 pads (the major reason I can't stand the original Xbox pads is for the black and white buttons that are used in game are not so easy to get to, the only other pads I hated that much are the N64 pads for similar reasons)
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