An evil force has swept into your land. Their sole purpose is to destroy everything, and everyone in their path. Repel these beasts before all is lost. Upgrade your base, and unlock special units to clear 5 levels and claim victory.
Defend the tower as aliens are in full force of attack. Upgradable. Destroy as many aliens as possible and earn more credits to purchase/upgrade equipments.
Protect the flora against the invading monsters by building your army of plants. Design your own path with defense units. Juggle the exit gates to confuse the incoming monsters.
Once again the penguins have returned hell bent on world domination. Use all the weapons and cunning at your disposal to fend off these two tone tyrants once and for all.