PC: ARROWS/WASD Move SPACE Shot Z Missile X SWARM P Pause
MOUSE: Click+Drag to move
MOBILE: Touch screen to move

Shield capsule blocks 5 hits! UFO every 15s (+100pts)
3 Homing missiles recharge every 6s
TRACKING: Center shots follow enemies!
SWARM: At 10 lines, get 20 missiles!
Boss every 30s! Turret every 20s!