Use the A and D or arrow keys to move left and right. Use W or up arrow keys to jump. Use S or down key to enter a crouching position. Use mouse to aim, then click to shoot. Press E to pick up or swap a weapon. Press X to pick up or swap an ability. Press Q to choose a weapon you have.
Credit: Microsoft for their amazing game Halo. Really though, unless you like Rick Rolls... don't watch this
