Unlock the Druid Tower.

Unlock the Pot of Lava Tower.

Unlock the Catapult Tower.

Unlock the Crossbow Tower.

Unlock the Gnome Grinder Tower.

Unlock the Blue Wizard Tower.

Unlock the Trebuchet Tower.

Unlock the Red Wizard Tower.

Unlock the Gnome Hammer Tower.

Unlock the Mage Tower.

Unlock the Mystic Magnifier Tower.

Unlock the Priestess Tower.

Unlock the Fire Dragon Tower.

Kill a total of 1,000 Lizard Grunts.

Unlock the Ice Dragon Tower.

Kill a total of 1,000 Lizard Brutes/

Kill a total of 1,000 Baby Lizards.

Kill a total of 1,000 Crazed Pteros.

Kill a total of 1,000 Baby Pteros.

Kill a total of 1,000 Llamas.

Kill a total of 1,000 Dimi's.

Kill a total of 1,000 Dragons.

Kill a total of 1,000 Trolls.

Get a perfect defense on Easy.

Get a perfect defense on Hard.

Share a screenshot of your tower defense with Facebook or Twitter.

Finish a hotseat Multiplayer game.