OK, here's the deal, this is a very fast paced tower defence - attack game. 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! Novice Play To begin, you should play novice mode - this will help you get a feel for different tower and unit types.
All new units/towers are given to you free of charge! Advanced play Once you've mastered novice, play on advanced.
Use the mouse.
U to upgrade a tower
S to sell a tower.