Whack 99 Martians, you win! Miss 99 Martians, you lose!
Stare straight into the Martians’ eyes to aim.
Make sure to control the pace of the game.
Your head movement speeds up the Martians.
Each whacked Martian slows them down.
Try moving very slowly at first. Once you get the hang of it, see how fast you can whack 99 Martians, or challenge yourself to whack 99 Martians with the least of amount Martians missed. 99 Martians is best played sitting on a swivel chair with headphones on. Make sure to have enough space around you before you start the game.