The game is nice, but the native controller support is a problem. I have an old controller where not all buttons work, but I'm fine. Usually I can reassign it in the JoyToKey program. But here it does nothing, because for some unknown reason game removes keyboard control when a gamepad is connected. So I have to plug off controller to punch through the walls, because the shift doesn't work. This is very annoying.
Sorry about that, I designed the controller support with Xbox 360 controllers in mind and didn't test or design for anything else. So if you're using something other than an Xbox 360 controller, that would probably be why. Strange that some buttons would work but not others. I would recommend playing with keyboard exclusively, unless you have a 360 controller.