Archive of Our Own

Recent works

• What if… Berdly made a Titan in the Cyber World? by Number_1_Undyne_Slanderer

  Fandoms: Deltarune (Video Game)  

  • Teen And Up Audiences
  • No Archive Warnings Apply
  • F/F, Other
  • Work in Progress

  23 Aug 2026

  Tags

  • No Archive Warnings Apply
  • Noelle Holiday/Susie
  • Swatch/Tasque Manager
  • One Sided Swatch/Queen (Deltarune)
  • but only if you squint - Relationship
  • Kris & Kris' Red Soul (Deltarune)
  • Kris/Ralsei (Deltarune)
  • Kris (Deltarune)
  • Susie (Deltarune)
  • Ralsei (Deltarune)
  • Berdly (Deltarune)
  • Noelle Holiday
  • Queen (Deltarune)
  • Titan(s) (Deltarune)
  • Titan Spawn (Deltarune)
  • Giga Queen (Deltarune)
  • W. D. Gaster
  • Swatch (Deltarune)
  • Swatchling (Deltarune)
  • Tasque Manager
  • Tasque (Deltarune)
  • Spamton G. Spamton
  • Poppup Characters (Deltarune)
  • Plugboy (Deltarune)
  • Werewire (Deltarune)
  • Written Pre-Deltarune Chapter Six
  • Cyber City (Deltarune)
  • Destruction
  • He/They Pronouns for Swatch (Deltarune)
  • Angst
  • Angst with a Happy Ending
  • Angst and Hurt/Comfort
  • Heavy Angst
  • Ralsei is Not Okay (Deltarune)
  • Ralsei Needs a Hug (Deltarune)
  • that needs to be a tag
  • Ralsei almost gives Berdly that teruteru treatment
  • Berdly almost fucking dies
  • Kris Hates Kris' Red Soul (Deltarune)
  • Nonbinary Kris (Deltarune)
  • They/Them Pronouns for Kris (Deltarune)
  • Kris Needs a Hug (Deltarune)
  • Kris Is Not Okay (Deltarune)
  • Ralsei Has Issues (Deltarune)
  • Ralsei Gets a Hug (Deltarune)
  • Dystopia
  • Alternate Universe - Dystopia
  • Good Friend Berdly (Deltarune)
  • Berdly Needs a Hug (Deltarune)
  • Minor Noelle Holiday/Susie (Deltarune)
  • Noelle Holiday Has a Crush on Susie
  • Ralsei Crashes Out (Deltarune)

  Summary

  Berdly makes a grave mistake within the confines of the Cyber World.

  Series

  • Part 1 of UTDR What If…?

  Language:

  English

  Words:

  1,830

  Chapters:

  3/5

  Comments:

  7

  Kudos:

  12

  Bookmarks:

  1

  Hits:

  269

• What if… Asriel won? by Number_1_Undyne_Slanderer

  Fandoms: Undertale (Video Game), Undertale Yellow (Master Sword Video Game)  

  • Mature
  • Graphic Depictions Of Violence
  • Multi
  • Work in Progress

  19 Aug 2026

  Tags

  • Graphic Depictions Of Violence
  • Original Male Character(s)/Original Male Character(s)
  • Sans/Toriel (Undertale)
  • Ceroba Ketsukane/Starlo (Undertale Yellow - Master Sword)
  • Alphys/Undyne (Undertale)
  • Original Male Character(s)/Original Female Character(s)
  • Frisk (Undertale)
  • Chara (Undertale)
  • Original Undertale Character(s)
  • Chara's Parents (Undertale)
  • Chara's Family (Undertale)
  • Flowey (Undertale)
  • Asriel Dreemurr
  • Asgore Dreemurr
  • Toriel (Undertale)
  • Undyne (Undertale)
  • Alphys (Undertale)
  • Sans (Undertale)
  • Papyrus (Undertale)
  • Napstablook (Undertale)
  • Mad Mew Mew (Undertale)
  • Amalgamate(s) (Undertale)
  • Kanako Ketsukane (Undertale Yellow - Master Sword)
  • Alternate Universe - Apocalypse
  • Apocalypse
  • Weirdmageddon Inspired
  • Angst
  • Angst and Hurt/Comfort
  • Heavy Angst
  • Angst with a Happy Ending
  • Happy Ending
  • Eventual Happy Ending
  • Implied/Referenced Suicide
  • Xenophobia
  • enbyphobia
  • Body Dysphoria
  • Transphobia
  • Memory Loss
  • Memory Alteration
  • Good Chara (Undertale)
  • Narrator Chara (Undertale)
  • Flowey Has Issues (Undertale)
  • Asriel Dreemurr and Chara are Siblings (Undertale)
  • Asriel Dreemurr is Mentally Ill
  • How is that not a tag

  Summary

  Asriel‘s twisted plan comes to fruition… but there are complications.

  Series

  • Part 2 of UTDR What If…?

  Language:

  English

  Words:

  799

  Chapters:

  1/?

  Kudos:

  26

  Hits:

  90

• tornado alert by Number_1_Undyne_Slanderer

  Fandoms: Deltarune (Video Game)  

  • Teen And Up Audiences
  • No Archive Warnings Apply
  • No category
  • Complete Work

  09 Aug 2026

  Tags

  • No Archive Warnings Apply
  • Carol Holiday
  • Alphys (Undertale)
  • Undyne (Undertale)
  • Asgore Dreemurr
  • Kris (Deltarune)
  • Susie (Deltarune)
  • Noelle Holiday
  • Dess Holiday
  • Knight (Deltarune)
  • Toriel (Undertale)
  • W. D. Gaster
  • Rudy Holiday
  • Nice Cream Vendor (Undertale)
  • Burgerpants | Pizzapants (Undertale)
  • Papyrus (Undertale)
  • Sans (Undertale)
  • Dess Holiday is the Knight (Deltarune)
  • Bad Parent Carol Holiday
  • No beta we die like Gerson Boom
  • The Bunker (Deltarune)
  • Natural Disasters
  • Written Pre-Deltarune Chapter Six
  • Undyne is a Fraud
  • Pirate W. D. Gaster
  • Carol Holiday faces Consequences
  • Kris Dreemurr faces Consequences

  Summary

  Kris and carols’s plan goes terribly wrong

  Language:

  English

  Words:

  632

  Chapters:

  1/1

  Comments:

  1

  Kudos:

  6

  Bookmarks:

  1

  Hits:

  166

• Pizzarina Secret Boss by Number_1_Undyne_Slanderer

  Fandoms: Deltarune (Video Game)  

  • Teen And Up Audiences
  • No Archive Warnings Apply
  • F/M, M/M
  • Complete Work

  05 Aug 2026

  Tags

  • No Archive Warnings Apply
  • Burgerpants | Pizzapants/Nice Cream Vendor (Undertale)
  • Pizzarina (Deltarune)
  • Burgerpants | Pizzapants (Undertale)
  • Nice Cream Vendor (Undertale)
  • Kris (Deltarune)
  • Susie (Deltarune)
  • Ralsei (Deltarune)
  • W. D. Gaster
  • Papyrus (Undertale)
  • Pirate W. D. Gaster
  • Pizzapants is the Knight (Deltarune)
  • no beta we die like Pizzapants on Side K
  • Undyne is a Fraud
  • no reason for that tag I just felt like adding it
  • Written Pre-Deltarune Chapter Six
  • Deltarot - Freeform

  Summary

  Tonight, I tell you the tale of the best secret boss ever made ever

  Language:

  English

  Words:

  697

  Chapters:

  1/1

  Comments:

  3

  Kudos:

  15

  Hits:

  95

• Deltarune Chapter 6 Story Prediction by Number_1_Undyne_Slanderer

  Fandoms: Deltarune (Video Game)  

  • Teen And Up Audiences
  • Graphic Depictions Of Violence
  • F/F
  • Complete Work

  01 Aug 2026

  Tags

  • Graphic Depictions Of Violence
  • Noelle Holiday/Susie
  • Kris (Deltarune)
  • Susie (Deltarune)
  • Ralsei (Deltarune)
  • Noelle Holiday
  • Dess Holiday
  • Carol Holiday
  • Rudy Holiday
  • Toriel (Undertale)
  • Undyne (Undertale)
  • Asgore Dreemurr
  • Father Alvin (Deltarune)
  • Original Deltarune Character(s)
  • Seam (Deltarune)
  • Catti Cattenheimer
  • Titan(s) (Deltarune)
  • Original Dark World(s) (Deltarune)
  • Dess Holiday is the Knight (Deltarune)
  • Bad Parent Carol Holiday
  • Kidnapping
  • The Bunker (Deltarune)
  • Written Pre-Deltarune Chapter Six
  • Titan Ralsei (Deltarune)
  • Determination (Undertale)
  • Ambiguous/Open Ending

  Summary

  My Summary of how I think Chapter 6 will go down

  Titled- Cold Water

  Language:

  English

  Words:

  2,789

  Chapters:

  1/1

  Comments:

  1

  Kudos:

  7

  Bookmarks:

  1

  Hits:

  154