Alien Invasion

Alien Invasion is a free-to-play online game hosted on 4J.Com. In this game, players assume the role of a defender tasked with protecting the Earth from an alien invasion. The entire universe serves as the battlefield, with players facing attacks from all sides. The objective is to successfully vanquish all hostile alien forces and emerge victorious.

The game is controlled using the arrow keys, space bar, or tapping the screen.