Arrow keys to move Space to use shield Don't touch anything Things: Arrow - Shoots at you, gets harder as game progresses Bats - Spiral out from center Clusterbomb - Goes to you, waits, and explodes into fragments Star - Snipes at you from the middle, wait time decreases as game progresses Barrier - Cuts screen diagonally in half Wizard - Makes you bigger Lazer - Slides diagonally from top right and flashes on/off Shield - Temporary immunity for 3 seconds