So I asked this question about Braid on PC/PS3 a while back, and one of the answers pointed me to the MotionInJoy drivers that allows PS3 controllers to be used on a PC. I've installed them properly and have used my DualShock 3 in a few games, but I can't figure out how to enable it when I'm playing Braid!

There doesn't seem to be any menu item to select an input type, which begs the question - is Braid not detecting my controller for some reason, or does Braid simply not allow you to use anything but the keyboard for input?