Space - Shoot 1-9 - Select weapon Q - Make wall W - Clear walls E - Create barrier R - Position barrier T - Make moving platform Y - Position moving platform U - Create and position goal I - Position arrow O - Create gate P - Position gate A - Create bomb S - Activate Invasion Mode. The gun must defend against oncoming drones.
Draft -- Unfinished 0.1 - Shared 0.2 - Added Invasion Mode. This is the first game mode aside from the default Sandbox Mode