The penguins have been fighting for centuries trying to dominate Antarctica. Your mission is simple, choose your side, and then overcome the enemy by getting your units to overrun the enemy igloo base!
Protect your kingdom from the invaders. Place strategically your defensive towers on both sides of the road. Try to eliminate all the enemy warriors before they reach your castle.
In year 2222, people invented a portal. In year 2281, the first habitable planet is found. Its colonization is made through portals and it turns out that humans are not the only sentient race in the universe..
Build towers and defend your base against the waves of blood-thirsty incoming zombies. Earn points to upgrade your existing towers or add more new towers.