Survive 21 days on the moon and try to survive all the alien attacks around you! By shooting aliens you gain money and with that money you can buy upgrades in the store! Play 21 Days On The Moon game for free at fsiv.com. We offer the best way to enjoy playing for free. 21 Days On The Moon is one of our very best Fsiv games.

Use WASD And Arrow keys button to Move, Use Mouse button to Aim/Shoot, Use Spacebar button to Jet, Use 1 And 2 And 3 button to Switch Weapons, Use R button to Reload,

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