About Alien Invaders Io
Play Alien Invaders Io free in your browser — no download needed!
How to Play
Use WASD or arrow keys to move, mouse to aim, and left-click to shoot. Eliminate enemies before they get you. Switch weapons with number keys.
Play Alien Invaders Io free in your browser — no download needed!
Use WASD or arrow keys to move, mouse to aim, and left-click to shoot. Eliminate enemies before they get you. Switch weapons with number keys.
