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FusionFall: EVOlution by ScroogeyTurtle reviews
The Cartoon Network universe is being plagued by an alien invasion! Human-EVO Liz must save the world from Fuse and collect various nanos on the way! Ben Tennyson guides her through the journey.
Crossover - Ben 10 & Fusion Fall - Rated: T - English - Adventure - Chapters: 1 - Words: 6,573 - Reviews: 2 - Favs: 1 - Follows: 1 - Published: 17h
Omnitrix: A New Titan by dragonballsuper1233 reviews
Jake, a young hero who possesses the Omnitrix, an alien device that allows him to transform into various powerful beings, crash-lands on Earth and joins forces with the Teen Titans. Together, they face a new wave of alien threats and mysterious villains, learning the true power of teamwork and friendship. As Jake adapts to his new life with the Titans,
Crossover - Teen Titans & Ben 10 - Rated: T - English - Sci-Fi/Adventure - Chapters: 12 - Words: 111,179 - Reviews: 16 - Favs: 22 - Follows: 22 - Updated: 22h - Published: 7/25/2024
Digital Nexus: Book 3 - The Ben 10 Code by joeyblast reviews
So, as usual, things don't go according to plan on takeoff, and our heroes crash into the world of Ben 10. (This one will be shorter than usual due to unexpected developments in the process of making this - namely "Nobodies") How long will it take for shit to hit the fan this time? Let's find out.
Crossover - Kingdom Hearts & Ben 10 - Rated: M - English - Adventure/Sci-Fi - Chapters: 4 - Words: 23,082 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 1/27 - Published: 10/28/2024 - OC, Ben T.
Dinosaurs and Aliens by jboy44 reviews
A twist of Fate, and Max's parents were taken away, No with no family he has been adopted by the Tennyson family. Max has his dinosaurs, but his big brother has his aliens. With his new family Max is about to set out to stop prehistoric and other worldly evil, and save his birth parents from their kidnappers.
Crossover - Ben 10 & Dinosaur King - Rated: M - English - Adventure/Supernatural - Chapters: 65 - Words: 138,144 - Reviews: 183 - Favs: 37 - Follows: 34 - Updated: 1/27 - Published: 4/27/2024 - [Ben T., OC] [Zoe D., Max T.]
We'll Carry On: An Ochako Omnitrix Story - Volume 1 by Transwiththeplans reviews
Ochako Uraraka finds herself unexpectedly taking on the mantle of the Omnitrix wielder from Ben Tennyson. As Ochako begins to explore the capabilities of the Omnitrix, she must also navigate the complex relationships and alliances, all while facing off against increasingly powerful enemies. Cover by @ZebraKnight1 on Instagram
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Humor - Chapters: 137 - Words: 940,826 - Reviews: 183 - Favs: 256 - Follows: 239 - Updated: 1/26 - Published: 12/31/2022 - [Ochako U., Izuku M.] Ben T., Tenya I.
And Then There Were Quirks by W.Alderson21 reviews
During a battle, Ben and Gwen Tennyson are sent through the Null Void into a new universe, one much... quirkier than their own. Follow the two cousins as they adapt to their new home and navigate the new challenges it brings, which may have more of an impact on both of them than they ever could have imagined. All together now... IT'S HERO TIME!
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure - Chapters: 5 - Words: 52,308 - Reviews: 64 - Favs: 224 - Follows: 282 - Updated: 1/26 - Published: 5/24/2024 - Ben T., Gwen T., 1-A Students, 1-B Students
KoBENi 10 by Anime0CC0Manga reviews
The Saddest Cry Baby In The World Gets The Most Powerful Weapon Ever (I Own Nothing)
Crossover - Chainsaw Man/チェンソーマン & Ben 10 - Rated: K - English - Horror/Humor - Chapters: 37 - Words: 82,504 - Reviews: 108 - Favs: 109 - Follows: 106 - Updated: 1/26 - Published: 2/5/2024 - Kobeni, Denji, Aki, Power
Omni Justice by Anime Crossovers reviews
What happens when Ben 10, hero of heroes, is thrown into the Null Void but when he get's out, he finds himself in a complete new world. With its own heroes and villains.
Crossover - Ben 10 & Young Justice - Rated: T - English - Adventure/Supernatural - Chapters: 19 - Words: 133,003 - Reviews: 341 - Favs: 933 - Follows: 1,016 - Updated: 1/25 - Published: 8/7/2021 - Ben T., Artemis C./Artemis, Megan M./Miss Martian, Zatanna Z.
Priestess 10 - Arena by SilverSoulmmc reviews
On a cusp of another summer vacation, Ben Tennyson has been struck with strange dreams of a mysterious girl with silver hair. When he and Gwen are whisked away back into the TV World to stop Hex's latest scheme, our heroes must band together to take on faces both new and old. However, under the moonlight lurks a danger that may change their lives forever.
Crossover - Ben 10 & Persona Series - Rated: T - English - Adventure/Family - Chapters: 2 - Words: 12,333 - Reviews: 17 - Favs: 39 - Follows: 41 - Updated: 1/25 - Published: 12/9/2024 - [Yukiko A., Souji S./Yuu N.] Ben T., Gwen T.
Dragon BallBen 10 Xover: Fusion Beyond Limits by willjk2000
Ben and Ben 10,000 accidentally cross into the Dragon Ball universe, sparring with Goku and Vegeta. Using the Omnitrix and Biomnitrix, they unleash powerful transformations, including fusion aliens, to match the Saiyans' strength. The battle tests their limits, leading to mutual respect and a promise of future challenges.
Crossover - Dragon Ball Z & Ben 10 - Rated: K+ - English - Adventure - Chapters: 1 - Words: 555 - Published: 1/25 - Goku, Vegeta, Ben T. - Complete
Tales of the Tooniverse (A Cartoon Crossover Fanfiction) by TheAnonymousAuthor69 reviews
A set of slice of life stories taking place within my very own Cartoon Crossover fancfiction universe: The Tooniverse.
Crossover - Carmen Sandiego, 2019 & Ben 10 - Rated: T - English - Fantasy/Adventure - Chapters: 1 - Words: 510 - Reviews: 1 - Published: 1/25
Ben 10: An Outsider Hero by GRS20 reviews
Ben Tennyson once again saved the universe after defeating the evil Chronosapien Mautruant, but in a completely different world, in a completely different village, there are people who need a hero, and a boy with a "magic watch" would be a good call. How will the Omnitrix Wielder deal with the dangers that plague this place?
Crossover - Ben 10 & Resident Evil - Rated: M - English - Sci-Fi/Supernatural - Chapters: 21 - Words: 82,168 - Reviews: 52 - Favs: 132 - Follows: 142 - Updated: 1/24 - Published: 4/18/2023 - Ben T., Prof. Paradox, The Duke, Mother Miranda
Quantum Universe by Sherman sam reviews
The sudden appearence of the powerful adverseries leads to the ultimate event for the various protectors of the galaxy and universe at large. I hope you guys like it. It will be updated on a regular basis.
Crossover - Justice League & Ben 10 - Rated: T - English - Sci-Fi/Adventure - Chapters: 17 - Words: 193,547 - Reviews: 73 - Favs: 142 - Follows: 149 - Updated: 1/24 - Published: 1/5/2021 - Bruce W./Batman, Diana of Themyscira/Wonder Woman, Ben T.
Ben 10 & Skyrim Xover: Shouts and Shapeshifting by willjk2000 reviews
Ben 10 and Ben 10,000 are pulled into Skyrim, teaming up with the Dovahkiin to stop Alduin. Using the Omnitrix, Biomnitrix, and Thu'um, they face frost trolls, spectral dragons, and Alduin himself. With alien forms, fusion alien forms and the Dragonborn's shouts, they banish Alduin, saving Tamriel before returning home, leaving Skyrim forever changed.
Crossover - Ben 10 & Elder Scroll series - Rated: T - English - Adventure - Chapters: 1 - Words: 500 - Reviews: 3 - Favs: 1 - Follows: 1 - Published: 1/24 - Ben T., Alduin, Dragonborn/Dovahkiin
Jade 10 (Rewrite) by Inkaliber reviews
When the Book of Ages is altered, Ben finds himself giving up the Omnitrix to make everything else go back to normal. Now, years later with a power of his own and new family, he finds himself thrust back into the events of that fateful Summer. The only thing is that he's surrounded by girls and one of them has the Omnitrix instead of him. At least Jade Chan's cute. Multicrossover.
Crossover - Jackie Chan Adventures & Ben 10 - Rated: T - English - Adventure - Chapters: 9 - Words: 114,369 - Reviews: 7 - Favs: 23 - Follows: 26 - Updated: 1/24 - Published: 7/25/2024 - [Jade C., Ben T.] Kevin, Max T.
Ben 10 in Story Brook by GhostAlleyCat
Hex arrives in Story Brook because he senses a mysterious form of magic and intends to take it. This is a sequel to Teenage Mutant Ninja Turtles x Ben 10.
Crossover - Ben 10 & Once Upon a Time - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 1,486 - Favs: 1 - Follows: 1 - Published: 1/23 - Ben T., Gwen T., Max T., Emma S. - Complete
Agent X by PowerhousePhantom reviews
Brainwashed, abandoned, and alone, what's our favorite hero to do when he seeks his chance at revenge? What happens when a certain hero helps him come to terms with what he's become? SlightlyNerfed Ben, Slight Romance
Crossover - Ben 10 & Young Justice - Rated: M - English - Sci-Fi/Supernatural - Chapters: 1 - Words: 2,936 - Reviews: 2 - Favs: 1 - Follows: 2 - Published: 1/22
Teenage Mutant Ninja Turtles x Ben 10 by GhostAlleyCat
When the Tennysons arrive in New York, they meet a group of mutant turtles who are on a quest to avenge Hamato Yoshi's death. This is a sequel to Princesses of Power x Ben 10.
Crossover - Ben 10 & Teenage Mutant Ninja Turtles - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 1,911 - Favs: 2 - Follows: 1 - Published: 1/22 - Ben T., Leonardo, Raphael, Donatello - Complete
Ben 10 meets DC Superhero Girls Shorts by skipper.weinkauf reviews
Here we'll go into the short stories of Ben 10 meets DC Superhero Girls (mix of all related stories)
Crossover - DC Super Hero Girls & Ben 10 - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 41 - Words: 15,240 - Reviews: 52 - Favs: 15 - Follows: 12 - Updated: 1/22 - Published: 6/25/2023 - Kara K./Supergirl, Ben T., Rook
The Mandalorian: The Chronicles of Lun 10-Original Series by Vgn Golley reviews
Luna Loss was your average little girl until one day she was kidnapped by an alien warlord after obtaining a watch-like device that allows her to transform into aliens. After escaping into space for about two years, Luna had lost all hope of going back home...but maybe a certain Mandalorian and an alien baby Jedi could help her return to Earth? Rated M-language violence and blood.
Crossover - Ben 10 & Mandalorian - Rated: M - English - Sci-Fi/Adventure - Chapters: 49 - Words: 1,175,000 - Reviews: 155 - Favs: 145 - Follows: 127 - Updated: 1/22 - Published: 12/23/2020 - OC, The Mandalorian/Din Djarin, The Child/baby yoda
Princesses of Power x Ben 10 by GhostAlleyCat
The Sorceress gets a vision about something long forgotten and now Ben must help He-Man on the planet Etheria. This is a sequel to Masters of the Universe x Ben 10.
Crossover - She-Ra, Princess of Power & Ben 10 - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 1,997 - Favs: 1 - Follows: 1 - Published: 1/22 - Ben T. - Complete
Ultimate Alien: Primarch Force by Pravus666 reviews
What happens when in a Hail Mary to destroy Vilgax in their final battle, that Ben is sent hurtling across space-time throughout the Omniverse; and finds himself not only in a different one entirely...but 30,000 years in the future...Well, strap in as Ben enters into the Great Crusade and battles against the Ruinous Powers. Rated M for Mature Themes and Violence.
Crossover - Warhammer & Ben 10 - Rated: M - English - Sci-Fi/Adventure - Chapters: 29 - Words: 270,799 - Reviews: 248 - Favs: 408 - Follows: 457 - Updated: 1/21 - Published: 3/16/2024 - Primarch/s, Ben T., Gwen T.
Justice X by G O G E T A 9 0 0 0 reviews
Following a visit from his younger self, Ben Ten Thousand reassesses his life, but before making any changes, an enemy accidentally sends him to the DCAU. The Justice League has been captured by invading Thanagarian forces. Will Ben help free their Earth? How will he adjust to this new world afterward? Original Series Timeline.
Crossover - Justice League & Ben 10 - Rated: T - English - Romance/Adventure - Chapters: 9 - Words: 90,964 - Reviews: 179 - Favs: 557 - Follows: 580 - Updated: 1/21 - Published: 3/17/2020 - [Diana of Themyscira/Wonder Woman, Ben T.]
Masters of the Universe x Ben 10 by GhostAlleyCat
Skeletor brings Ben to Earth and takes control of him to force him to fight He-Man. This is a sequel to Parasite Eve x Ben 10.
Crossover - He-Man & Ben 10 - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 1,562 - Favs: 1 - Follows: 1 - Published: 1/21 - He-Man/Prince Adam, Ben T. - Complete
Parasite Eve x Ben 10 by GhostAlleyCat
The Tennysons team up with Aya Brea to stop a dangerous parasite. This is a sequel to F.E.A.R. x Ben 10.
Crossover - Parasite Eve & Ben 10 - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 882 - Favs: 1 - Follows: 1 - Published: 1/21 - Aya B., Eve, Ben T., Gwen T. - Complete
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