Space Invaders

Classic arcade shooter. Defend Earth from waves of descending alien invaders!
SCORE: 0
HI-SCORE: 0
LIVES: 3

SPACE INVADERS

Move: Arrow Keys / A, D
Shoot: Space / W / Up Arrow

Destroy all invaders before they reach you!

PRESS SPACE TO START

double-blind experiment, n: An experiment in which the chief researcher believes he is fooling both the subject and the lab assistant. Often accompanied by a strong belief in the tooth fairy.