Unfathomable

Pyromaniac Kill a Mummy by setting it on fire (The Curse of the Pharaohs)

Merchant of Disorder You acquired 15 equipment upgrades

Waiting for the other Foot to Drop Finish Teenage Mutant Ninja Turtles: Fall of the Foot Clan (GB)

Wait, aren't you...? Unlock a Cage and Rescue a Friend

Bringer of Death Kill 500 Enemies

Cuckoo for Incarceration Rescue your friend.

Knightfall Initiate Knightfall Protocol.

Thresher Thrashed Defeat Terramorphous the Invincible.

Galboss Eat the Galboss that appears after eating a set number of Pac-Dots in Round 9 or 10!

Pacta Sunt Servanda Finish the "Hearts of Stone" expansion.

Exterminator Kill the Leviathan.

Freeze Use Stasis on 50 enemies.

Greenhouse Effect Complete Chapter 6 on any difficulty setting.

Back Into Action Finish Teenage Mutant Ninja Turtles II: Back from the Sewers (GB)

Shredding the Shredder Finish Teenage Mutant Ninja Turtles (N)

Down in the Briney Took a Bathysphere ride in Burial at Sea - Episode 1.

Bad Dog! Defeat Cerberos.

Mask and Stripes Forever Collect every bronze, silver, and gold trophy.

Yaaaaaay Introduce thyself to the White Knight.

The Conqueror Win the conquest of Elysium with freed humans from the 3 main regions.

Round 9 Cleared Clear round 9!

Drink 'Em Both Up You drank 'em bot' up.

The Great Escape Complete "Desperate Escape" with an S rank.

Surgeon Dismember 500 Limbs.

Where Credit is Due Perseverance has its own reward

True Understanding Complete all Legends Mode stories on a single difficulty.

Not On My Watch In Multiplayer, perform 10 squad revives

Manipulator You made others kill 5 of their own allies

Way of the Warrior Defeat 150 enemies singlehandedly in one playthrough of "Desperate Escape."

I Do Belong Here Beat the game on any difficulty

Gnarly Greatness Finish Teenage Mutant Ninja Turtles III: Radical Rescue (GB)

Dark Horse Acquire Eternal Maw for use outside the Afterlifes (The Curse of the Pharaohs)

Let's Get This Party Started! Unlock all selectable characters in Versus.

Walk-in Wardrobe Fill your wardrobe with 300 costume pieces.
218/300

Bell Eat the Bell that appears after eating a set number of Pac-Dots in Round 11 or 12!

Float Like A Butterfly Perfect dodge five times
1/5

Damage Control Win a Dropshot match via shutout

Pet catcher Bring the dog to the lady

Scrappy Racer Win an event using a Derelict car

Sting in the Tale Complete the 5 Serqet locations (The Curse of the Pharaohs)

Key Eat the Key that appears after eating a set number of Pac-Dots after Round 13!

S.O.S. Complete Chapter 7 on any difficulty setting.

Round 13 Cleared Clear round 13!

Gathering More Strength Collect all the Keeper's Insights in Episode 2.

Cruiser Ribbon Complete The Cruiser on any difficulty level

A True Ruler Dethrone the king.

Killing Spree - Kill 5 Helghast in 15 seconds Kill 5 Helghast in 15 seconds whilst on foot and maintaining at least 85% health

Merciless Finish off 50 enemies with a stomp attack.
0/50

Unseen Predator Remain in Zer0's Decepti0n mode for 10 seconds straight.

They Was All "Hey, That's Mine!" Unsheathe 5 swords from Immortal Skeletaurs without leaving the area.