Tmntcrossover Stories

[Leo was tired so he did the Hachi Machi to get them to the lair faster. It didn't work out of planned and ended up pulling all of them into a new universe.] This story...

[ One day in Donatello's lab, a triangular portal opens up from an unknown object- and a few familiar faces fall from it ] Bolded name are 2012 turtles, nonbolded are ro...

Donnie steals a weird machine from Draxum and starts to examine it, and a bright light shines as he falls on the ground shocked as he meets other mutant turtles.

A villain always comes back. '87 Krang brings a violent enemy back...He- plans to plot revenge on the ones who went against him. When the -enemy- learns all of the Te...

2k12 names: Mikey Ralph Leo Donnie ROT names: Angelo Raph Leon D/Don Don was messing around in his lab with a mysterious crystal they stole from the Foot Clan. It had r...

(DNI TCEST PEOPLE! I REPEAT, DO NOT INTERACT.) Both of the Casey's get tossed into the 12 verse, havoc, obviously, ensues. Notes: Casey and Cassandra refer to each other...

a sad but wholesome 2012 x 2018 tmnt crossover. The rise turtles, little tots at them time, get taken from their box home too a farther part in new york, where their sil...

Based off this prompt on Tumblr: What if Rise Leo feels left out from the others alternate selves? Like Rise Raph has both Leos and Raph fighting over him because He's t...

This story is about a girl who is kind yet badass at the same time and always help the people whenever she can. And her name is, Shira Lilah. Shira is a simple girl who...

Kayla has decided to go on vacation to New York. Boy does she regret doing that... Not only does she have to put up with FOUR turtle mutants, but she also has to do it w...

When a mishap occurs and Donnie gets sent to another universe, Chaos is bound to occur. With a cloaking broach and little dignity he attempts to keep himself hidden from...

this will SUCK!

I'm making it up as I go.

Set during the Kraang invasion, after Leo goes up against the Foot and crashes though April's window, Mikey has an idea, to go through a portal, to a dimension where he...

This an AU where Mikey was a bit late to save Leo who was Krangtified. But Leo is harmless because he sees everyone as the Krang making his memories forgets who he is b...

The desire to prove themselves to their brothers leads the Michelangelos on a wild adventure into another dimension, filled with mysteries, comfort, and new lessons to l...

more information about this is on my A03 @The_axolotl_thing but here is the link to the original creators AU https://at.tumblr.com/haro0o/but/zb6z32b14zdp

A companion book of oneshots to "Dagger From the Mirror", a tmnt 2012 and 2018 crossover fanfiction in which the Kraang kidnap and mindcontrol the 2018 boys in...

[ for a contest ]

Two mirrored worlds, side by side, but never knew each other, like the hidden city, but different, only the boys didn't go to this strange new place, a familiar yet.. un...