OLD SOLUTIONS TO NEW THREATS! As Shredder and Leonardo team up with Cudley the Trans-Dimensional Cowlick in order to seek out the help of the enigmatic Cherubae in Dimension Z, Michelangelo joins Commander Dask and his Neutrino warriors on a quest to locate the rebellious Nova Posse in Dimension X. Meanwhile, Raphael is forced to swallow his pride—and his hatred—as he hunts down the missing Old Hob in New York City. But even if they find them, will the TMNT’s quarries be willing to join the battle against Rat King’s latest deadly pawns—Baxter Stockman, General Krang, and Madame Null—who are already taking the fight to Donatello and Jennika in Mutant Town?

The next big TMNT event is here! As the Rat King sets the game in motion, the Turtles are forced to respond and Mutant Town is put at risk. Under the leadership of the Shredder, the TMNT begin a dangerous quest to seek out allies against Rat King’s trio of terror: LeatherKrang, Baxter Stockman, and Madame Null. It’s a mission that will see the Turtles spread out across New York City…and across multiple dimensions! But time is short because their enemies are already on the march, and things are not looking good for Mutant Town while most of our heroes are away. Desperate measures, false flag attacks, mysterious new villains, and unexpected alliances are all part of this dangerous game! Written by longtime TMNT scribe Tom Waltz (The Last Ronin) and illustrated by artist Vincenzo Federici (Jennifer Blood, Red Sonja), the time has come at last to find out who is playing…and who is being played! Collects all eight issues of Teenage Mutant Ninja Turtles: The Armageddon Game.

A team of imposter mutant ninja turtles, puppeteered by the Rat King, have sown discord across the city, turning everyone against the real TMNT. Now, armed with a lead on the true identities of the pretenders, April O’Neil is set on turning the tide in this war of disinformation. To uncover the truth, April must enter the smoldering ruins of TCRI—which was all but destroyed by the fake TMNT—and to do that, she’ll need the help of an old enemy… Even if she’s successful, will the world believe what she has to say, or will chaos reign? Lines are drawn in the sand as the The Armageddon Game nears its epic conclusion!

KARAI! Tasked by her estranged grandfather, the Shredder, to protect New York City, Oroku Karai faces her first true test as master of the Foot Clan when four mysterious mutant ninja turtles unleash seemingly random acts of violence against the city. The Armageddon Game has begun, and the rules have changed. Will Karai have what it takes to play her part and lead her forces against these strange new threats, especially when some of her own mutant allies are questioning what side the Foot Clan should be playing for in the first place? Official tie-in to TMNT: The Armageddon Game! Written by Erik Burnham (TMNT: Karai’s Path) and illustrated by Roi Mercado (Heavy Metal).

The Rat King has been plotting behind the scenes of NYC and Mutant Town with his newly recruited trio of terror—LeatherKrang, Madame Null, and Baxter Stockman. As a result, his witch sister, Kitsune, and the Shredder have undertaken a desperate metaphysical journey seeking past weaknesses in order to counter the trickster god’s latest deadly gambit. Now, with Krang out of the way, Shredder and Kitsune turn their attention to Madame Null and Baxter Stockman. But will the answers they seek be even more dangerous than the arcane quest to find them? As it was in the shocking first issue, enemies become allies and exciting new characters are debuted as longtime TMNT scribe Tom Waltz returns to the pages of IDW’s ongoing series, alongside brilliant artist Fero Peniche, in this official prequel to the massive TMNT event of 2022…the Armageddon Game!

Casey Jones has had a tough life. Mom dead from cancer when he was just a teen; father an abusive, drunken wreck; his best friends a bunch of mutant ninja turtles embroiled in a centuries-old clan war. Yeah, it’s been a rough ride, and along the way, Casey’s learned one important lesson: monsters come in all shapes and sizes. And they must all be stopped. Now, when the maniacal Rat King’s latest gambit, the Armageddon Game, threatens those closest to his heart in their own home, Casey Jones dons his hockey mask and prepares for his most dangerous battle yet. But that’s okay… He’s not afraid of monsters. Official tie-in to TMNT: The Armageddon Game! Written and illustrated by Will Robson.

NOBODY AND ALOPEX! When former Purple Dragons gang leader Angel Bridge became the high-tech street vigilante known as Nobody, she felt like somebody for the first time in her life. Fighting crime alongside fellow heroes like the Mutant Turtles and her childhood friend Casey Jones—as well as the curmudgeonly scientist Harold Lilja, who designed her tech suit—gave the natural-born loner a new family and a new purpose. But as the Rat King’s nefarious Armageddon Game takes hold on New York City and Mutant Town, Angel is finding herself alone and isolated once again, questioning her role and her resolve…and missing her best friend and sidekick, the mutant fox Alopex, who is having a similar crisis of faith. Now, with the fate of the city in the balance, can Nobody and Alopex reunite to rise above their doubts and become the bombastic crime-fighting duo they once were? Written and illustrated by superstar creator Juni Ba (TMNT Annual 2022)!

For millennia, the Pantheon family have played a deadly chess game with humanity, willingly sacrificing innocent and guilty alike in their twisted pursuit of victory. But now, one member of the family sees the opportunity to end the eternal contest once and for all—a final, crushing triumph over his immortal siblings and all of human- and mutant-kind. The time has arrived for the Rat King to make his most chaotic and destructive moves yet. The time has come at last for… THE ARMAGEDDON GAME! Written by Tom Waltz and illustrated by Casey Maloney, Teenage Mutant Ninja Turtles Annual 2021 is the official prelude to the major TMNT event years in the making.

Spurred by the looming threat of the Rat King’s Armageddon Game, Oroku Karai set out to fortify the Foot Clan by building an alliance she could trust. But now, as the chaos god and his trio of terror tighten their grasp on New York City, Karai must choose: align with an old enemy or watch the world fall to the ultimate evil. Battle lines are drawn here in the epic final issue of The Alliance as The Armageddon Game nears its end!

With his brothers away on their own missions, Donatello must seek special help to protect a new friend—Regenta Seri of the Triceratons—who’s being hunted by Utrom assassins hellbent on destroying her people. Meanwhile, Jennika has her hands full maintaining law and order and trust in Mutant Town in the wake of the mutant terrorist attacks in NYC.