Aceterix

Speedreader Completed the game having found all 24 journal entries, with no Modifiers enabled, in less than 10 minutes. (From New Game in a single session only)

Another Side of the Story Complete the Campaign on any difficulty.

In the Shadow of Giants Completed Chapter 5 of Episode 2

Left Behind Completed Chapter 6 of Episode 2

Ugly Fellow Used the mask of an ugly fellow to defeat an enemy.

Pizza Party! Finish Teenage Mutant Ninja Turtles II: The Arcade Game (N)

A True Samurai Completed "The Samurai from Sawayama."

Occam's Razor Acquired the Engineer

I Have Become Turtle, Eater of Pizzas Finish Teenage Mutant Ninja Turtles III: The Manhattan Project (N)

Sewer’s Four Finish Teenage Mutant Ninja Turtles: The Hyperstone Heist (GEN)

Back to the Grind Completed Chapter 1 of Episode 3

A World of Pure Imagination Completed Chapter 2 of Episode 3

When a Plan Comes Together Completed Chapter 4 of Episode 3

Merchant of Disorder You acquired 15 equipment upgrades

Divine Obtainer Obtained first divine item.

Blockbuster Completed Chapter 5 of Episode 3

Freedom Restored Completed "The Demon King Revealed."

Pretender Man Completed Chapter 3 of Episode 3

Out With A Bang Completed Chapter 6 of Episode 3

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

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

Artificial Intelligence Discover the fate of Marko Dragic.

Ressurector of the Hiragumo Collected all fragments of the Hiragumo teakettle from Shigisan.

Griefer Madness Acquired the Griefer

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

Sleeping Beauty Kill the sleeping guy in face down rappel section

Western Stranger Complete 10 Stranger mission strands.

Innocent Play through without killing anyone, and finish.

Dramatic Timing Completed Chapter 1 of Episode 4

In a Land Far Away Completed Chapter 2 of Episode 4

Shredding the Shredder Finish Teenage Mutant Ninja Turtles (N)

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

It Came From Outer Space Completed Chapter 3 of Episode 4

Where Credit is Due Perseverance has its own reward

First Hack Perform your first Hack successfully.

Personal Space Tell Lucien to get out of Erica's room, and finish.

No Survivors Kill everyone in one playthrough, and finish.

Freeflow Silver Achieve 16 medals on combat challenges

Alone in the Dark Beneath the arthropod

From the Jaws of Defeat Completed Chapter 5 of Episode 4

The End of the Line Completed Chapter 4 of Episode 4

A New World Order Completed Chapter 6 of Episode 4

Savior of Acis Save all humans on Acis

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

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

Fly-by-wire Take out helicopters with remote missile 3/3.

Finders Keepers Completed Chapter 1 of Episode 5

To Boldly Go… Completed Chapter 6 of Episode 5

Out of the Blue Completed Chapter 5 of Episode 5

Friends in High Places Completed Chapter 3 of Episode 5