Here is the full list of all 52 PixelJunk Monsters Ultimate achievements.
Perfect clear 5 stages in two player mode
Clear a level with 10 towers upgraded to black in two player
Clear the specified stage without a tower ever upgrading
Defeat 500 enemies
Use TikiSpeak 5 times in a two player game
Build 10 towers in less than 30 seconds upon entering a stage.
Clear a stage without losing a single coin
Play the game at 11:11 am
Complete a stage without getting hit!
Get your first Perfect clear
In a two player game have both TikiMen dance under the same tower
Perfect clear the specified stage
Clear the specified stage using only arrows and cannons
Clear the specified stage using only bombs to destroy the boss
Clear the specified stage with 25 or more gems
Complete the specified stage without crossing the bridge
Clear the specified stage without using the fire tower
Clear the specified stage with a balance of 10,000 worth of coins or more
Clear the specified stage by building every type of tower
Destroy 15 enemies at once with the Mortar Tower
Clear an entire wave of enemies using only a bomb
Without selling any towers, clear the specified stage with all towers upgraded to black
Drop 100 coins into the water and clear the specified stage
Clear the specified stage without using gems
Complete 10 levels on Tum Tum island
Unlock all the extra content
Clear every stage!
Perfect Clear every stage
Clear the specified stage with a balance of 12,000 worth of coins or more.
Clear the specified stage with a super-charged boss
Clear the specified stage without letting a single balloon enemy touch the ground
Clear the specified stage with a balance of 14,000 worth of coins or more
Clear the specified stage while constructing five Gem towers
Clear the specified stage without using any gems.
Clear the specified stage while having only one tower on the screen at a time
Clear the specified stage while defeating 100 enemies with the Trap Tower.
Clear the specified stage while using only cannon and ice towers.
Clear the specified stage filled with resistance enemies.
Find an extra large stash of coins and gems.
Clear a level with no towers remaining
Clear a level with 5 towers upgraded to black
Record your first video
Clear every stage on Hard-core difficulty
Perfect clear every stage on Hard-core difficulty
Defeat 2,000 enemies
Defeat 5,000 enemies
Clear 'The Final Stage' on Tiki Island
Clear 'Volcanic Swirl' on Gati Gati Island
Clear 'Boss Clash' on Toki Island
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