Steam: games supporting controllers will work fine once you set up the controller via Big Picture's controller settings.Gamepad pops up as a USB HID device, so it's readily usable by most games.
The install script will inform you of this fact and will assist in setting the boot arguments. Note: while I obtained an Apple Developer license and certificate, the driver is unsigned and has to be installed with kext dev mode enabled on Yosemite beacause Apple refuses to grant kext signing ability to random FOSS developers (see issue #2). Unzip, then run mand (right click, then choose 'Open') and follow instructions. Obtain the driver from the releases page. Xbox One Controller driver for Mac OS X Installation
