Your job is to prevent enemies to enter the secret portal.

Hundreds of evil tiny enemies try to get to the secret portal and destroy your world. Strategically place your towers and merge them to prevent that from happening. Control your wizard to help out with shooting the enemies where it's most needed. Pick up towers of the same color and level to merge them into a random higher tower to increase your firepower and win the level.

- build towers
- merge and upgrade your towers
- tactically move your hero to shoot the enemies
- upgrade your hero
- upgrade your weapons
- collect coins and spend them to upgrade your towers
- discover new territories and level in the world map
- beat all the levels