Build towers and survive through 51 hardcore waves of aliens that heal themselves, haste other enemies, split into more enemies and freeze your towers.
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.
In this war, just strategy skill is not enough. Your job is to guess words from various categories and earn some gold. Then use the gold to train warriors and defeat your enemy.