Deltarune Crossovers
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Hopes, Dreams, And DELTARUNE, Book 2: Cyber World by Dragonsrule18 reviews
Frisk and Susie are left reeling from their adventures in the Dark World, but there's no time to take a deep breath. As the Knight blows another fountain open, Frisk and Susie, along with little sister Tina, Berdly and Noelle, must seal it and stop an "evil" queen from taking over. And who is the man beckoning from Frisk's dreams, the one who speaks in hands?
Crossover - Undertale & Deltarune - Rated: T - English - Adventure/Friendship - Chapters: 9 - Words: 56,127 - Reviews: 31 - Favs: 11 - Follows: 10 - Updated: 3/5 - Published: 1/8 - Frisk, Noelle Holiday, Ralsei, Susie
Dégringolade of The Ill-Starred Salesman by Sycho Seth Burns reviews
If dropped in the ocean, even a pebble can create waves so large that they can crush a city when they reach the shoreline. Similarly in life, even the smallest and unassuming characters can wreck havoc if the timing is just right. And for Spamton G. Spamton, when presented the opportunity... Well, there's NOBODY more [[Desperate]] than him to take the chance and run with it.
Crossover - Touhou Project & Deltarune - Rated: M - English - Horror/Suspense - Chapters: 2 - Words: 7,400 - Reviews: 3 - Favs: 13 - Follows: 18 - Updated: 2/19 - Published: 1/31 - Marisa K., Reimu H., Yukari Y., Flandre S.
Of Dark Dreams and Whispered Legends by GeekCat reviews
Fluttershy unexpectedly falls asleep in the library while working on her class project. Her dream is so vivid that it feels real, and she learns more about both her foalhood friend Rainbow Dash and the class troublemaker (and her crush) Discord. Written for Fluttercord Week 2022.
Crossover - My Little Pony & Deltarune - Rated: K+ - English - Romance/Drama - Chapters: 1 - Words: 21,528 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 1/27 - [Discord, Fluttershy] Rainbow Dash, Princess Luna/Nightmare Moon - Complete
Sonic in Deltarune by Drax69
When Sonic becomes the unwilling test subject of Dr Eggman's newest weapon, he ends up in a world of adventure, magic, comedy, and drama. Said world hides deeper secrets that the blue blur stumbles onto. This is a sort of retelling of Deltarune Chapter 2, but with everyone's favorite blue rat. First story I'm posting here, so I appreciate any criticism and reviews.
Crossover - Sonic the Hedgehog & Deltarune - Rated: T - English - Adventure/Fantasy - Chapters: 4 - Words: 6,789 - Favs: 3 - Follows: 4 - Updated: 1/17 - Published: 12/23/2021 - Sonic, Kris Dreemurr, Ralsei, Susie
The Chaos Trio by Pun fan reviews
What happens when a Jester, a comedian, and a salesman all pick a kid to pass their legacy onto? CHAOS! CHAOS! Is what!
Crossover - My Hero Academia/僕のヒーローアカデミア & Deltarune - Rated: T - English - Chapters: 2 - Words: 2,174 - Reviews: 7 - Favs: 10 - Follows: 14 - Updated: 1/10 - Published: 12/21/2021 - Izuku M., Jevil, Sans
Hopes, Dreams, And DELTARUNE, Book 1: The Dark World by Dragonsrule18 reviews
In one world, a neglected girl searching for a flower for a professor to make money to take care of her sister fell into a world full of monsters and freed them. But in the timeline just to the left, the war never began. But Frisk's fate is still tied to the monsters, and a transfer to a new school leads her and fellow outcast Susie to a new world. A Dark World.
Crossover - Undertale & Deltarune - Rated: T - English - Friendship/Adventure - Chapters: 7 - Words: 48,305 - Reviews: 32 - Favs: 23 - Follows: 18 - Updated: 1/1 - Published: 11/20/2021 - Frisk, Lancer, Ralsei, Susie - Complete
Remnant's Power of NEO by Maniacalharp747 reviews
Stricken by Truck-kun, a poor soul is evicted from his world into a discarded Knight Prototype. However, something happened during the merge process, upgrading the unfinished prototype into something worthy of the [POWER OF NEO]. In this world ruled by Light and Dark, this lost soul tries to find his way through the world with a shattered moon. The truth is not all as it seems...
Crossover - RWBY & Deltarune - Rated: T - English - Adventure/Fantasy - Chapters: 1 - Words: 441 - Reviews: 1 - Favs: 7 - Follows: 9 - Published: 12/31/2021
Remnants BIGSHOT by eggdue reviews
Ruby runs into a certain salesman, what could go wrong? don't expect frequent updates, cuz I'm working on other stuffz. this has turned into crack and one-shots/drabbles. this a side project while i work on other works. maybe check them out for better quality work. Was The rose and the bigshot. (Chapter six may be glitched, if so, Head to Ao3 to read it, Thanks)
Crossover - RWBY & Deltarune - Rated: K+ - English - Humor/Adventure - Chapters: 7 - Words: 2,869 - Reviews: 10 - Favs: 3 - Follows: 5 - Updated: 12/12/2021 - Published: 11/26/2021 - Ruby R., Jevil
Crimson Hunt by TheOriginalTale reviews
When a hiking accident sends Frisk to the depths of Mount Ebott, he's forced to adapt to his new surroundings. Meanwhile a restless prince seeks for adventure...and a new visitor just might provide the means to fulfill his cravings.
Crossover - Undertale & Deltarune - Rated: T - English - Adventure/Fantasy - Chapters: 14 - Words: 26,884 - Reviews: 2 - Favs: 6 - Follows: 10 - Updated: 12/7/2021 - Published: 9/28/2021
Team JNR: Into of Darkness by Z-END99 reviews
When the members of Team JNPR are waiting for Pyrrha to come back, they discover something amiss in their dorm room. Falling down a portal to a world of darkness and Grimm running loose, the three of them become heroes to fulfill a prophecy in hopes of returning home. Sounds easy enough, right? Well, when it's like a video game RPG, then that's when it gets a little weird.
Crossover - RWBY & Deltarune - Rated: T - English - Adventure - Chapters: 3 - Words: 16,720 - Reviews: 5 - Favs: 20 - Follows: 22 - Updated: 12/5/2021 - Published: 11/26/2021 - Jaune A., L. Ren, Nora V.
Chararune by Gosplan14
Following the fall of the eighth child, Chara has reawakened and Frisk's handling of the ruins has softened the hatred in her soulless being. Having been deemed worthy, they were given another chance at life... in the Dark world above Kris' kitchen? My take on Chapter 3 of Deltarune, with a visitor from an alternate universe (Undertale). Good!Chara; Provisional M-Rating
Crossover - Undertale & Deltarune - Rated: M - English - Humor/Adventure - Chapters: 1 - Words: 1,323 - Favs: 1 - Follows: 2 - Published: 11/27/2021 - Chara
Pokemon White Adventures by TakeThePRNDL reviews
Eight individuals were fated to change the Unova region for better or worse. These are their stories. As they deal with the radical organization of Team Plasma, whos members will even give up their bodies for Pokemon to live free in, the various groups they reside in will grow close friendships, with themselves and their Pokemon, and face what they believe being a trainer to be.
Crossover - Pokémon & Deltarune - Rated: M - English - Adventure/Hurt/Comfort - Chapters: 17 - Words: 22,594 - Reviews: 1 - Favs: 1 - Follows: 2 - Updated: 11/21/2021 - Published: 10/7/2021 - Bianca/Bel, Cheren, OC, Kris Dreemurr
Interlopers by Jack of Knaves reviews
Glitchtale AU. After Sans manages to bring back Gaster with his machine, it unexpectedly malfunctions, pulling a human boy by the name of Kris Dreemurr and his three monster companions, Susie, Ralsei, and Noelle, into their universe. Follow the new adventures of the Fun Gang as they live, laugh, work, and battle alongside Frisk and the gang as they try to find a way back home!
Crossover - Undertale & Deltarune - Rated: T - English - Adventure/Fantasy - Chapters: 3 - Words: 10,983 - Reviews: 20 - Favs: 55 - Follows: 78 - Updated: 11/5/2021 - Published: 9/29/2021 - [Kris Dreemurr, Noelle Holiday] Frisk, Ralsei
lithium by clickerPhoenix
one day a rift between dimensions opens and so both world must co exsist or something idk im hungry for a pushpop but its like 10:19 pm and i don't have a car. but yea its cringe parody or whatever ...and ralsei owns a mother fuckin Mercedes Benz
Crossover - Last of Us & Deltarune - Rated: M - English - Parody/Romance - Chapters: 1 - Words: 1,218 - Published: 10/28/2021
Inkopolis Tide by JReddSSBU reviews
One nightmare wasn't enough for Marie to develop PTSD of Commander Tartar. Everyone is gonna have to help her, while the other idols would make an investigation group for the Squidbeak Splatoon. The Fun Gang (and Noelle) decide to chip in and help out! But how will Marie be able to get through this situation after what happened?
Crossover - Splatoon & Deltarune - Rated: T - English - Hurt/Comfort/Friendship - Chapters: 5 - Words: 22,309 - Reviews: 16 - Favs: 4 - Follows: 3 - Updated: 10/27/2021 - Published: 10/8/2021 - [OC, Marie] Kris Dreemurr, Susie - Complete
A Journey to Darkness by WeirdnessUnfolds reviews
In which Susie wakes up in a strange world after the sleepover with Kris, and it's not the dark world. It seems like outside forces had a different plan for her this time, and before she knows it she's caught up in a struggle that she can't even wrap her head around herself. Treating it as dream might help. (Movie/Book world. Rated M for violence and rough language.)
Crossover - Lord of the Rings & Deltarune - Rated: M - English - Drama/Adventure - Chapters: 3 - Words: 8,048 - Reviews: 3 - Favs: 5 - Follows: 6 - Published: 10/10/2021 - Frodo B., Gandalf, Aragorn, Susie
Eliatropes and the lighters by Finalcool720
During Yugo and Oropo battle a strange fountain enguled them and they wake up in the world of deltarune and are now brothers and have to work with Kris , Susie , and Raisel to find out what happend and Yugo falls in love with Kris ( note yes i know Oropo is and is not an eliatrope and M for future chapters )
Crossover - Wakfu & Deltarune - Rated: M - English - Chapters: 1 - Words: 697 - Published: 9/28/2021 - [Yugo, Kris Dreemurr] Susie, Oropo
Light & Dark by RetrougeWitch reviews
She cried for help, but no one ever came to her side. Lost in the dark, she vanished. The sun rose on a new life, her memories from that time frayed and scattered like leaves in the wind. A world of humans and monsters greets her on a new dawn. Why does her heart scream for her to remember that strange jewel that lurks in all her worst, most fragmented memories?
Crossover - Inuyasha & Deltarune - Rated: T - English - Humor - Chapters: 1 - Words: 1,817 - Reviews: 1 - Favs: 7 - Follows: 7 - Published: 9/21/2021 - [Kagome H., Kris Dreemurr] Ralsei, Susie
CHAOS OF ZERO by ideal man reviews
oh what fun it would be to cause chaos let's play a game master hehehehehe and thus starts Louise's chaotic adventure with her familiar? jevil
Crossover - Deltarune & Familiar of Zero - Rated: T - English - Adventure/Fantasy - Chapters: 1 - Words: 147 - Reviews: 3 - Favs: 3 - Follows: 5 - Published: 8/11/2021 - Jevil, Louise
deltarick by ideal man reviews
delta rune with a twist Rick Sanchez added in the mix again I'm bad with summarys
Crossover - Deltarune & Rick and Morty - Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 90 - Reviews: 2 - Published: 7/3/2021 - Ralsei, Susie, Kris Dreemurr, Rick S.
Not Alone Anymore by Therpgknight
Today was the day that Asgore where going to the hospital to see his sick friend Rudolph Holiday, during this frequent visits some feelings can bloom for the two monsters. Can love bloom in a hospital room? read the story and find out.
Crossover - Undertale & Deltarune - Rated: K+ - English - Romance - Chapters: 1 - Words: 1,041 - Favs: 1 - Published: 2/16/2021 - [Asgore D., Rudolph Holiday]
Muffet's Bakery by PugAutomaton609
The annual Surface-Festival is approaching, and Muffet is excited for the busiest time of the year for her small bakery. But recently, a mysterious stranger has been putting up advertisements for her bakery, and Muffet needs to find out who it is. She's grateful for the help, but she wants to reward this stranger for their hard work! If only she could figure out who it is...
Crossover - Undertale & Deltarune - Rated: K+ - English - Romance/Mystery - Chapters: 1 - Words: 898 - Favs: 2 - Follows: 3 - Published: 2/15/2021 - Muffet, C. Round, Ralsei, OC
Triple Chaos (Crossover of Deltarune, Super Paper Mario and Kirby) by InsanityTabbs reviews
When the balance of the timelines of Undertale finally give in to the Resets, new worlds come to unite with Deltarune. But when Jevil accidentally recreates the Chaos Heart which rebirths Dimentio and Marx gets sucked into his own black hole, things get seriously out of control. It is up to the Kris, Mario and Kirby to stop the ensuring chaos predicted by the Dark Prognosticus.
Crossover - Mario & Deltarune - Rated: K+ - English - Fantasy/Adventure - Chapters: 7 - Words: 8,182 - Reviews: 13 - Favs: 23 - Follows: 26 - Updated: 1/10/2021 - Published: 7/27/2019 - Mario, Dimentio, Jevil, Kris Dreemurr
underrune remastered by JoshyBoi2007 reviews
kris and susie fall in hole and they are in undertale now (but cooler !)
Crossover - Undertale & Deltarune - Rated: K+ - English - Chapters: 3 - Words: 536 - Reviews: 2 - Favs: 1 - Follows: 1 - Published: 12/8/2020 - Frisk, Kris Dreemurr, Susie
Undertale but they are playing Among Us by Ok this is epic reviews
Yes, this is being cross-posted from AO3 and not stolen. Undertale cast plays Among Us. Wonder if this will be as popular as it is on AO3, if so I will bring chapters over from that website. Edit: Congrats! You get more chapters!
Crossover - Undertale & Deltarune - Rated: T - English - Humor/Family - Chapters: 2 - Words: 3,657 - Reviews: 4 - Favs: 4 - Follows: 3 - Updated: 11/17/2020 - Published: 11/16/2020 - Frisk, Sans, Gaster, Kris Dreemurr
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