There are 19 total trophies. 15 bronze, 3 silver, and 1 gold. 5 of the bronze trophies are "secret."

Achievement	How to Unlock
4 Tree Rainbow (silver)	Perfect clear the specified stage
Bomb The Boss (bronze)	Bomb The Boss Bronze Trophy Clear the specified stage using only bombs to destroy the boss
Encore : Black Flag (silver)	Without selling any towers, clear the specified stage with all towers upgraded to black
Encore : Scrooge's Return (bronze)	Clear the specified stage with a balance of 12,000 worth of coins or more
Encore : Wishing Well (bronze)	Drop 100 coins into the water and clear the specified stage
Encore : Zero Carat (bronze)	Clear the specified stage without using gems
Gem Hoarder (bronze)	Clear the specified stage with 25 or more gems
Get Medieval (silver)	Clear the specified stage using only arrows and cannons
Green Flag (bronze)	Clear the specified stage without a tower ever upgrading
No Crossing (bronze)	Clear the specified stage without crossing the bridge
Picky Eater (bronze)	Clear the specified stage without using the fire tower
Rainbow Team (gold)	Perfect clear the specified stage
Scrooge (bronze)	Clear the specified stage with a balance of 10,000 worth of coins or more
Secret - Construction Expert (bronze)	Build 10 towers in less than 30 seconds upon entering a stage
Secret - Encore : Lucky Find (bronze)	Find an extra large stash of coins and gems
Secret - Deep Impact (bronze)	Destroy 15 enemies at once with the Mortar Tower
Secret - Money Grubber (bronze)	Clear a stage without losing a single coin
Secret - Wave Goodbye (bronze)	Clear an entire wave of enemies with only a bomb
Tower Collector (bronze)	Clear the specified stage by building every type of tower