Before the Xbox 360 arrived in 2006, using a gamepad on PC was a pretty annoying experience. You'd have to manually configure buttons, games wouldn't detect the controller or show the correct icons, ...

Even with a mouse and keyboard, your PC gaming setup isn't complete until you've got a controller. Sure, there are plenty of games that can be played using a mouse (usually first-person shooters) but ...

Amazon also has a nice deal on the matching transparent green 8BitDo Ultimate 3-Mode Controller for PC and Xbox.