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 online at frive.net. You can play it in fullscreen to have fun with it. 21 Days On The Moon is a great Frive game to play with no cost.

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,

action..