Economics (Level Boss 2)
Not unlocked yetSave 300 Prime by the end of the level.
Cold Calculation (Level Boss 2)
Not unlocked yetComplete the level building less than 9 towers.
Economics (Level Boss 3)
Not unlocked yetSave 350 Prime by the end of the level.
Master Strategist (Level Boss 3)
Not unlocked yetComplete the level without using towers which deal area of effect damage (splash, cone, chain).
No Magic (Level Boss 4)
Not unlocked yetComplete the level without using any magic.
Economics (Level Boss 4)
Not unlocked yetSave 250 Prime by the end of the level.
Economics (Level Boss 5)
Not unlocked yetSave 400 Prime by the end of the level.
No Magic (Level Boss 5)
Not unlocked yetComplete the level without using any magic.
No Magic (Level Boss 6)
Not unlocked yetComplete the level without using any magic.
Provocation (Level Boss 6)
Not unlocked yetSummon Next Wave 10 times in a battle.
Master Strategist (Survival 1)
Not unlocked yetComplete the level without using utility towers (Prime injector, Slow, Stun, Accursed and Detector towers)
Provocation (Survival 1)
Not unlocked yetSummon Next Wave 200 times in a battle.
Master Strategist (Survival 2)
Not unlocked yetComplete the level without using utility towers (Prime injector, Slow, Stun, Accursed and Detector towers)
Provocation (Survival 2)
Not unlocked yetSummon Next Wave 200 times in a battle.