(Attack on Titan x Batman crossover) Finding themselves trapped in a world far different than their own, Jason Todd and Tim Drake decide to join the Survey Corps and fight for humanity against the struggling battle against the Titans

Ozma and Salem have been at war for centuries. The fight has taken many lives and taken many centuries. The champion of the Brother of Light has failed countless times to complete his task. Now, more than ever, Remnant needs a new protector. It needs a man who knows the cruelty of life. A man who doesn't falter in doing the unthinkable. A dark guardian. Remnant needs...Eren Yeager.

After the events of Attack on Titan, Eren finds himself given a second chance in a new world in which science and magic are constantly at odds with each other.

In the past, a threat greater than what was believed to be by any one nation came into play. To ensure a future, the masters of the past resolved to set aside old grudges in favor of protecting the people. Only a handful were chosen to defend the lives of countless innocents, but could only do so once every generation in a special trial by fire. Now it begins again.

Eren Yeager, a fierce and determined warrior, was born into a world of gods and monsters, a world where demigods roamed the earth and legends came to life. Olympus needs someone loyal and the Titans need a pawn. A war is on the horizon. Regardless, Eren Yeager will keep moving forward.

Spartan in AOT World. Spartan Dominance [Semi-OP B-312][Semi-OP Mikasa] I've just updated it, but i'm not sure as to how much more will be produced. Chapter 1 has been re-written, no more horrible writing! Nah its still pretty bad, but I'm tryin!

Finding myself in a void is not how I thought the afterlife was like, at least I think I died did I? Attack on Titan, gamer crossover rated m for gore, swearing and mentioned suicide. no Lemons!

Continuing the five year gap between 2018 and 2023. Rahul... Has finally been freed from his physical prison. However, on his last night, he learns that, through Levi, that your past will come to haunt you, no matter what life you live now. So, Rahul is given a choice of whether to be evil or good, or in between, which, with the memories he carries, he will figure out along the way

El mundo siempre ha conspirado en su contra. Lo ha hecho esclavo de su propia debilidad, impotente de no poder hacer nada para cambiar esta vida que solo se pone peor. Eso era hasta que Izuku Midoriya descubrió su poder... uno que no pertenecía al de un héroe, uno que no estaba destinado a salvar personas, uno que solo traería destrucción y desgracia... pero le fascinaba demasiado.

Alone in the Paths Eren is haunted by the memories of the Rumbling and everything that happened around it. Out of nowhere a unique 'Doctor' ends up in the Paths claiming that he shows up where ever people need help. This 'Doctor' wants to help a closed off Eren face his demons but has to face his own past to get through to Eren. Requires no knowledge of Doctor Who to read.

"Annie watched patiently, waiting for her friend to awaken, but when a full minute ticked by, she was positive he had fallen back to sleep again. Should she intervene? Any good friend would help him save his day. First and foremost, however, it would put her in his favour. After all, it couldn't be that hard to wake a sleeping giant, right?" Sequel to "Attack on Bertl"

Heavily based on Random Crossovers' Enemies of Humanity's Past After the Colossal Titan suddenly appears and kicks the wall in, a gigantic, mysterious cyborg rises from the grave to save humanity just as he had done in the past.

Hermione, in an effort to improve the Wolfsbane potion, becomes trapped in the world of Attack on Titan - Armin x Hermione

Scientists from Belos Enterprises discover a very strange spine-like creature. One that has the power to alter biological beings around it. What happens when a young girl named Luz Noceda is chosen by this creature to become the progenitor of a new race? Crossover: "Owl House AU" and "Attack on Titan"

After waking up in a strange world with near total amnesia, and being told he had rampaged through a city block, he decided that he wanted to be a Hero.

Some members of the RWBY cast are summoned to watch alternate versions of themselves in the world of Attack on Titan.

The Battle of Edmonton was won, though in its aftermath, Gundam Barbatos and its Pilot were lost in an apparent explosion caused by the Graze Ein that alledgedly destroyed them both. In actuality, however, it had simply sent the Gundam and its Pilot to an entirely new world, where they now fight for a new cause, and with new friends. (Slow burn story)

When Gordon Freeman accepted the G-Man's deal, he had never expected his next assignment to be placed in another world where humans were hunted down and eaten by giants while backstabbers and undermines plague what remains of humanity. All of it tendering on a world on the verge of collapse and ruin, but the right man in the wrong place can make all the difference in the world.

"T-This…This wasn't supposed to…why…me?" Those were the last words Mukuro Ikusaba whispered in a cruel world where she was a slave to a dream that brought her nothing but pain, death and despair…only to wake up in another cruel world full of pain, death and despair. Although...this time, there was something else, something…beautiful. (Cross-Posted on ao3 with the same username)

After three years the world begins to adapt to three major species roaming freely. Unfortunately on Paradis, there isn't much room for everyone. While on a scouting mission, Eren and company discovers a secret about Marley, Monsters, and a history untold.

Her first clear memory was waking stark naked and half-submerged in a lake, the sight startling her into moving. There was no pain, no open wounds. Nothing that suggested she had been assaulted in some way – just a weird steam that was slow in dissipating. But her memories had been messed with. That much she was certain. (COMMISSION)

Two years after the Promise Day, Edward and Alphonse had believed they were now free to lead normal lives, until one day they were suddenly snatched from their home by the Truth and sent into another world. There they must help a group of people battle an enemy which they do not yet understand but who seek to annihilate them.

This is a Challenge in AOT x Command and Conquer

Percy broke a promise he made on the River of Styx and has a steep price to pay. Banished to a new world and thrown into another 'world ending' conflict, witness Percy struggle as he tries to make sense of what's happening, adapts to his new environment, and attempts to unravel the mysteries of yet another monster infested world. (Rated M because I don't want to limit myself)

A mysterious portal has been used by an unknown goddess, who wishes to save her cursed world. She uses her powers to bring in beings from other dimensions, and help save her people. However, not all beings are brought by her, and travel through the portal by chance. What will these characters do? Will they lend their hand, or bring about greater destruction?