You are in charge of the defense for the colony in the planet called Tyrian. Your job is to protect your planet from hostile alien invasion. Place your Cannon, Ion, Plasma and Erosion towers in strategic spots on the land to gun down the attacking waves of spaceships and earn gold. Remember to upgrade them frequently after each wave you inhibit with the gold you earn for more destructive power. Can you master the Tyrian TD game?
Use the mouse to interact.