Invaders Must Die (josehflavio)

Invader Must Die is a tower defense like Desktop Tower Defense and inspired by other old classics of the genre. Freely position your defenses to prevent creeps from crossing the map. Earn money by killing enemies and upgrade your towers. Features include 10 challenging stages, 9 different towers with unique abilities and 18 achievements.

This game requires a mouse to play, left button to put a tower and right button to cancel. Use keys 1, 2 and 3 to buy new towers and "space" or "p" key to pause.