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2099.io is an IO game packed with actions. The game takes place in the year of 2099.IO and it opens a fierce battle between humans and aliens, together with various robots. You are the last hope of the human beings who can be in charge of fighting off all those enemies to save the planet. Move around the map carefully, perform your skills wisely, employ your tactics and try to send all the aliens backs to their planet. Make sure you increase your score and climb the leaderboard until you become number 1.
How To Play
Use keys WASD for the movement, speed up your character with key Shift, and shoot at enemies with the mouse.