Developer posts and news about this game.
You can now undo your last move. Just press the 'X' key on your keyboard or press the 'B' button on a gamepad (Xbox 360 style controller). This should make the game less frustrating. Also fixed the bug where barrels and crates could block the lever.
You can now control the cat with the left analogue joystick on the xbox style controller - the dogs movement will be inverted. You can now control the dog with the right analogue joystick on the xbox style controller - the cats movement will be inverted.