Master of Combat
Not unlocked yetComplete level with 3 stars
Special Forces
Not unlocked yetComplete the game
Master of War
Not unlocked yetComplete level with 3 stars on Hard Mode
Elite Forces
Not unlocked yetComplete all levels on Hard Mode
Domination
Not unlocked yetComplete all levels with 3 stars
Defenders Brotherhood
Not unlocked yetUnlock all Heros
Hero
Not unlocked yetLevel up a hero to level 15
Absolute Hero
Not unlocked yetLevel up all heroes to level 15
Breakthrough
Not unlocked yetUpgrade tower in the Laboratory
Master of Towers
Not unlocked yetUpgrade all towers to level 5
Minigun Master
Not unlocked yetUpgrade Minigun to level 5
Ice Tower Master
Not unlocked yetUpgrade Ice Tower to level 5
Tesla Master
Not unlocked yetUpgrade Tesla to level 5
Flame Squad Master
Not unlocked yetUpgrade Flame Squad to level 5
Rocktet Launcher Master
Not unlocked yetUpgrade Rocket Launcher to level 5
Sniper Master
Not unlocked yetUpgrade Sniper to level 5