you walk around with a gun, but can't shoot it. there's nothing to shoot anyway so whatever. you use a knife with spacebar which you didn't mention in desc, using the knife overrides the movement and you have to press the move key again.
but really, this is too underdeveloped. upload something more complete. doesn't even have to be art, that's whatever. there's absolutely nothing to do in the game, can get console to work either, minimized or not.
best of luck finishing