Clear the specified stage by building every type of tower

Clear the specified stage without crossing the bridge

Clear the specified stage without a tower ever upgrading

Clear the specified stage without using the fire tower

Clear the specified stage with 25 or more gems

Clear the specified stage with a balance of 10,000 worth of coins or more

Clear the specified stage using only bombs to destroy the boss

Clear a stage without losing a single coin

Build 10 towers in less than 30 seconds upon entering a stage

Clear an entire wave of enemies with only a bomb

Destroy 15 enemies at once with the Mortar Tower

Clear the specified stage with a balance of 12,000 worth of coins or more

Drop 100 coins into the water and clear the specified stage

Clear the specified stage without using gems

Find an extra large stash of coins and gems