CollabErotica INTERACTIVE EROTIC STORIES
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108 Chapters 486

Shrinking (Mis)adventure

Bigger1sBetter!
More Size Changing GTS Fun! This is primarily a shrinking/giantess story. Shrinking device plays major role. See what happens. New characters are welcome.
70K words 89 chapters 6 authors 56K views
37
18
November 12, '25

Giantess Attacks My Apartment

Stubbornstain
A mysterious lady has the ability to shrink even whole buildings, that's what she does the unfortunate residents of one city apartment block.
3.4K words 2 chapters 2 authors 740 views
1
1
August 4, '23

Simply Spectacular Summer Shrinking Shenanigans

RandomAnon
One day, you find yourself shrunken and in the presence of a... friend? What are her plans for you? The first standalone short story from the "Giantess/Shrinking & Farts" universe, an interactive story that can be found here on collaberotica.
4.1K words 1 chapter 1 author 3K views
16
6
June 17, '23
between buttcheeks
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quarter inch tall tiny
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Dark Size: A Star Wars Story

Divediveburners
An ambitious Sith apprentice has been dispatched to a remote planet to hunt down a powerful, yet reclusive Jedi Master. Her strange abilities, however, end up cutting his ego down to size.
8.8K words 1 chapter 1 author 650 views
2
1
June 20, '23

Aetheria

GtQuik702
A fantasy world, where anything goes.
1.4K words 7 chapters 3 authors 3.9K views
2
2
June 21

RWBY Shrunken Interactive

theHornedPine
A branching interactive story with the gals and pals of RWBY focused on size themes. Get shrunken down and explore the world of Remnant (and its inhabitants) at a much smaller scale!
7.2K words 18 chapters 4 authors 13K views
26
20
January 22

Trapped in butts and guts

Reborner
Out of the blue, you shrink and you have to survive around some gassy and/or hungry femboys.
1.7K words 6 chapters 2 authors 5.5K views
7
4
December 26, '23

Waking up an inch tall

Reborner
You wake up to find yourself an inch tall and all you can remember is last night's party. A restoration of Tinyman0001's first work.
16K words 38 chapters 2 authors 23K views
15
5
November 4, '23

A Cheeky New Relationship

BridgetdrkW
A story about inanimate transformation that starts off going too far...and then goes further...
3.7K words 1 chapter 1 author 880 views
4
4
September 27, '23
inanimatetransformation
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cheekynewrelationship
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Small Around Sisters

slappy
Cory and his sisters find their mom's old shrink ray and take it for a spin. Who will get zapped and be forced to survive in a giant world with their giant sister(s) until they can be unshrunk?
13K words 15 chapters 3 authors 12K views
16
7
September 20, '25

Favor for a Friend

SizeTyme
Your friend comes to you with a favor to ask. A sexual favor that completely catches you off guard, but that you eventually come to enjoy...
3.1K words 1 chapter 1 author 1.3K views
14
4
October 22, '23
ambiguous genders
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accidental entrapment
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urethral sounding
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ureathral insertion
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Gotta Catch ‘em Small!

TinyLesbo
Pokémon trainers in size changing shenanigans
12K words 54 chapters 4 authors 18K views
41
9
July 26

Bake Me A Cake

JollyJoe
Shrunk by your boss at the bakery.
3.1K words 10 chapters 2 authors 5.9K views
7
2
May 26, '24

Vignettes

orphaned
A collection of unrelated shorts.
5.5K words 3 chapters 1 author 3.5K views
11
3
November 15, '24
whatever else i end up adding
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Harem Protagonist: CHYOA

WritingGuy
A CHYOA based off of the Kickstarter visual novel that never got off the ground.
270K words 270 chapters 5 authors 100K views
34
8
September 22, '25