Beat any level without dying.
Beat any level without getting hit.
Beat the entire game without dying.
Beat any level building only 1 type of turret.
Beat any level by building just 1 turret at a time.
Beat any level using only traps.
Beat any level without dashing.
Max out a turret's upgrades.
Open all chests in the entire game.
Beat the game on Challenge Mode.
Beat the game on Extreme Mode.
Interact with every inspect trigger in the game.