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Life on Earth is under threat by an alien superintelligence. Aliens will sterilize Earth unless we prove our worthiness to remain. The only way to prove our worth is by defeating a collection of masks they've sent to Earth.

Can you save Earth?

Name
Keys/Controls
Description
Shoot
Space key, click mouse, or tap a touch screen
Shoots weapon
Strafing
Dragging mouse, finger, left, right, up, down arrow keys
Moves you horizontally and vertically to aim the weapon
Pause/unpause
p key
Pauses or unpauses the game
GAME OVER

Congrats! Your great mask blasting skills have impressed the aliens. Aliens will spare life on Earth.

Better luck next time. All life on Earth will end now.