Cross Stories

1.2K Stories

I just want to live....  by absolutelYin-Sane
#1
I just want to live.... by Dead account
what if, Error was actually just a tall 14 year old? what if errors soul was slowly and painfully deteriorating? what if he doesn't destroy because he can or because he...
What now? (XTale story) by Dragonehm
#2
What now? (XTale story)by Existence exists
Several years after XTale is erased from existence, X!Gaster finds a way to bring it back. However, to do so, he needs cross, so that he can restore him to the code of t...
Error's New Family by lostabandonedsoul
#3
Error's New Familyby Just Another Lost Soul
Error was badly injured in a fight against Ink and Dream. In his attempt to escape, he falls through a portal to Undertale just as the world is about the reset. The uni...
Given An Unwanted Second Chance by UndertaleFanatic981
#4
Given An Unwanted Second Chanceby Purple
(TW: unaliving thoughts and memories at the beginning. It gets better over time, don't worry! Trauma is difficult to overcome...) You didn't want a second chance. You...
Reincarnated as a Voice by IHamTiredAndBored
#5
Reincarnated as a Voiceby TiredAndBored
TW: Swearing and slight gore Y/N reincarnates in the anti-void as a Voice... Will he befriend error or will they make them hate their guts? And will they meet other peop...
Becoming my twin by Xomedy101
#6
Becoming my twinby Xomedy101
After Ben's sister Bianca becomes pregnant and can't attend school she decided to blackmail Ben to dress up as her in her place.
An Error's Doll by EroseWisp
#7
An Error's Dollby EroseWisp
You didn't have a bucket list or anything, but you wished you could've at least read a few more fanfics or done literally anything fun before dying. Oh well, at least yo...
Into The Underverse by UndertaleFanatic981
#8
Into The Underverseby Purple
Y/N wasn't anyone special. With 21 years under her belt, she went through life like anyone else. Until she was picked out from the rest. Read your way through the Underv...
Completed
Whiskers by TheoryKierei
#9
Whiskersby TheoryKierei
Book 4 of the Cross-Shifter Series. Can be read as a stand-alone but might be confusing at the beginning for a bit.) Being captive for years has soured Palace's outlook...
Completed
Show No Fear by Juniperlives43
#10
Show No Fearby Juniperlives43
Aliza has created another reset only this time she isn't facing the horror house alone. He older sister has joined her, however her older sister doesn't seem to be able...
Retrace bxbxb by TheoryKierei
#11
Retrace bxbxbby TheoryKierei
(Book 2 of the Reverse series. This is a stand-alone story) What is a young boy to do when he is mistaken as a girl after stealing and offered a lifeline from possibly b...
Paws by TheoryKierei
#12
Pawsby TheoryKierei
Book 3 of the Cross-shifter Series. Life has always been good for Sam. He had it all. The huge house. All the hot one night stands he could ever want. Parents who could...
Completed
Au Sans' vore oneshots by April_Gianttale
#13
Au Sans' vore oneshotsby April_Gianttale
The title says it all. If you don't like vore, leave or your gonna have a firey time. Those who love vore... I hope you enjoy. I also take request. Some of the parts in...
Completed
𝓖𝓡𝓐𝓢𝓟 // 𝒪𝐵𝒳 𝒯𝒲𝒪 by Brink0fExhaustion
#14
𝓖𝓡𝓐𝓢𝓟 // 𝒪𝐵𝒳 𝒯𝒲𝒪by Brink0fExhaustion
𝙾𝙱𝚇 𝚂𝙴𝙰𝚂𝙾𝙽 𝚃𝚆𝙾 𝙱𝙾𝙾𝙺 𝚃𝚆𝙾 𝚂𝚎𝚚𝚞𝚎𝚕 𝚘𝚏 '𝚂𝚎𝚌𝚛𝚎𝚝𝚜 𝙱𝚎𝚝𝚠𝚎𝚎𝚗 𝚃𝚠𝚒𝚗𝚜' 𝙹𝚘𝚒𝚗 𝚂𝚊𝚢𝚕𝚘𝚛 𝚊𝚜 𝚜𝚑𝚎 𝚝𝚛𝚒𝚎𝚜 𝚝𝚘 𝚐𝚎𝚝 𝚊 '�...
Y/N the Creator (Alphatale Fanfic) by DynamicCiocea
#15
Y/N the Creator (Alphatale Fanfic)by DynamicCiocea
An Undertale fan gets reincarnated into the Alphatale Multiverse. Will they use the knowledge gathered from their first life to their advantage? Or will they perish, fig...
Completed
By Your Side - a Crossmare story  by Midnightgacha8
#16
By Your Side - a Crossmare story by Midnight gacha嘎查
ROYAL AU Being forced to marry for the sake of his kingdom, the couple is anything but happy. Cross- had made a promise to a certain woman to stay by Nightmares' side...
Completed
From Murder to Dust by Clichely
#17
From Murder to Dustby Cliche
It wasn't as if he didn't care for them. He did. That's why he did it, after all. He couldn't watch them suffer, so he did something about it. Dust Sans story with Nigh...
Claws (mxm) by TheoryKierei
#18
Claws (mxm)by TheoryKierei
This is book 5 of the cross-shifter series and a continuation of sorts for Whiskers. Happiness wasn't something that you earned. It was something that you killed for. D...
Completed
The One Thing That They Care About (Sans AU x Reader x Papyrus AU) by voltimer
#19
The One Thing That They Care About...by 𝐜𝐡𝐫𝐨𝐧𝐨𝐬, 𝐭. 𝐯.
Y/n L/n. A special human with a special SOUL. Yes, her Soul Trait is something new. But other than her SOUL trait she has another secret. One day, while she was at the...
Completed
Demigod Avenger (a PJO/Avenger Crossover) by Dangkat5
#20
Demigod Avenger (a PJO/Avenger Cro...by Allison D.
After enduring Tartarus and then winning his second war, Percy Jackson is the Champion of Olympus. However, he didn't come out of the war his normal self. He came out br...
Completed