Defend a planet called Mavas from invading aliens! Build awesome trees and towers to fend off the invaders. Upgrade your Utans using magical seeds to make them stronger.
Defend against the robo-bugs that are trying to take over your base. Unlock and upgrade new areas and special weapons. Collect enough exp points to get more powerful weapons.
Build towers and survive through 51 hardcore waves of aliens that heal themselves, haste other enemies, split into more enemies and freeze your towers.
