MOUSEmove your guardian; sweep through enemies to destroy them PROTECT THE COREnever let the swarm reach the center LEVEL UPchoose an upgrade each level to build your kit W A S Dhold the shown key while on an elite to drop its shield, then touch it BOSS RAGEthe longer a boss lives, the more enemies swarm — kill bosses fast TAIL ULTIMATEswing to charge the rotor, whip to fire soundwaves