Well after the events of Bioshock 2 the city of Rapture is rediscovered and rebuilt to it's former glory, including the use of Plasmids and the harvesting of ADAM. However, one researcher believes that he can find a way to defeat the addiction and resulting insanity that came with increased usage of ADAM. All he needs is a test subject, and this test subject is supplied: Alan Tracy

After surviving a freak thunder storm, the Titans detected a distress signal at the bottom of the Atlantic Ocean. When they got down there, they weren't expecting an underwater utopia filled with insane citizens, big metal monsters, and a ruling dictator. Will they be able to find a way out of this nightmare with the help of some unlikely alliances? (TT/Bioshock X-Over)

Due to an unfortunate attack, Sari, Jack, Miko, and Raf all got sucked through a ripped tear and into a sky city called Columbia. Now in order to escape a Prophet and the Vox, they must join forces with a private detective and a mysterious girl. (Transformers/Bioshock Infinite crossover) (LuisJM/FictionFan1024 collab) (Raf/Elizabeth pairing)

Hay it's Me Max. one day Zoe vanished while in the woods. I know she was still alive but no one listened, so I ran away to find her. Now I am in the underwater city of rapture I'm a freak of nature! Zoe is a half cured little sister, with an over protective brainless cyborg cyclops. Our story is being used to try and bring this city back together, So yeah things went south fast.

Oh the places you'll go in Rapture. Kakashi and Obito are fucked in terms of chakra reserves, and have to rely on their skills and wit to Survive Rapture and its denizens. With Tenenbaum and Jack as their only allies and Suspicious Atlas and Tyrant Andrew Ryan on each side, it's going to be a fun ride. So come on down to Rapture and see how they survive!

While avoiding his cousin and the daily dose of Harry Hunting, the Boy-Who-Lived stumbles across an impossible woman in an impossible situation. How will she affect his future? how will she shape the things to come?

Jack and three former Little Sisters are transported to Fodlan through unknown means. He has the combat capabilities, the resolve, and the plasmids to back him up if he chooses to fight to repay the debt for the Church for taking in the little ones. Not many could predict the man choosing to become a new caregiver for Garreg Mach's Orphanage(WIP Title & summary)

No Gods, No Kings REWRITTEN: Through intervention the dream of Rapture never became a nightmare, instead new technologies and beliefs pave the way for Humanity to unite as one and seek a new future among the stars. The Council finds itself confronting a civilization that has surpassed every technological shackle and overcame every obstacle thrown their way: The Terran Alliance.

Dipper has been missing for a couple of weeks, and no one has no idea where Dipper is or is he okay. Until Mabel gets an unexpected call from Dipper, She goes to Dipper apartment to see two things: chain tattoos on Dipper bottom writs and five little girls. Mabel hopes Dipper has a good explanation for this.

Something's happening all over the world. Children taken and vanished by the sea after dark. The DATS and all Tamers had tried their best and paid a terrible price. The DATS Captain and the Digimon will stop at nothing to save those girls but danger lurks beneath the surface. After all: The choices they make will define them. Will Contain violence, Gore and... Cuteness?

The Toons thought The Judge Doom incident was over... but they were wrong. A series of kidnappings, happening all around the world: from coast to coast, rural villages to bustling cities after midnight. Worse? The targets were children. First the real world and now it was the Toons turn to suffer. What will they do? And how can stop something that lurks under the sea?

Elizabeth has seen many cities and men and lighthouses, and has hunted one man a thousand times under a thousand skies. She finds him again in this dark city, amidst the siren call of alien whales. Once she ends him she'll hunt the last Comstock and finally, finally rest. But before then, maybe, Elizabeth will allow herself just a small taste of something good.

Waking up on a beach with memories lost, and but a backpack of essentials; from that point on, a Man Chooses, a Slave Obeys. Which one is the path he will follow?

Jack somehow travels to an unknown world, and one accidental death will change the fate of team RWBY and the world of Remnant...

I don't have a good summary in mind, but this idea came to mind since I haven't really seen any good crossovers between these two.

Warmings: OC heavy and set partially in the Borba-verse. Following BtbA, Nick Wilde leaves Zootopia for Rapture to start life over with a new name... Story told through journal entries.

It was a good day when he boarded that accursed plane, some may even say, a beautiful day. Ignorant to the events that would soon transpire and turn his life upside down and turn him into a fragment of the man he once was.

Post-Hogwarts. The war is over, but Harry still has no time to relax when he's "convinced" to help a pair of twins with a job of great importance. Harry: "What do I have to do?" Twins: "Simple Mr. Potter. Bring us the girl and wipe away the debt." What have you gotten yourself into this time Potter? Harry/Elizabeth, Harry/?

Rapture. A forgotten, forsaken world beneath the waves. Long has it existed. Long has it toiled. Stolen from the world of the surface and cast into the sea, a forgotten shinobi struggles to find his sanity, his place in the maddened world. Will he return to the surface world, or is he doomed to languish in the dank, dark, splicer filled corridors of rapture? NarutoxHarem!

It's rude to force a mirror on a man with no face, yet it is also rude to force a boy into a man. Then a monster. Yet fate really does toy with some individuals, no matter how innocent they are and change them into a beast. Because after all... we will be reborn in the cold womb of the ocean.

What started as a nice vacation and break from chaotic World Meetings, turned into a nightmare when a civil war starts brewing and four countries are pulled right into the middle of it. Having to fight their way out, they can only trust each other...and even then... Bad things happen down in Rapture, and New Year's Eve is only the beginning. [Apr' 20-Posting now-Tues/Fri. Complete]

Sometimes, we must do what is absolutely necessary to survive. Even things we aren't proud of. Jaune Arc had been taken against his will to a world he wished never existed and was forced to do things he wished he never had to do. Including taking lives in order to spare his. When he returns though, will he truly be all there? Or just a fragment of who he used to be?

Scorpia barely escaped from the underwater soiree, and nearly drowned in the process. She emerged into a blazing sea, in the midst of a plane wreck. A lighthouse shone out of the gloom, offering safety. She sought shelter inside, only to find a creepy mysterious statue, and a bathysphere. The depths of the sea hold many secrets. But never the kind you expect.

When young Harry potter keeps having weird dreams about a light house he finds himself in a peculiar saturation "Well hello there mini Harry" "Hey big Harry" the picture would not work with me

One day, while team RWBY is just relaxing, their world suddenly (and literally) gets ripped apart. Now Ruby meets this being called Echo, and is tasked with reunited her team, who is trapped in different worlds? Well, how hard could that be?