CollabErotica INTERACTIVE EROTIC STORIES
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14 Chapters 7

Choose Your Transformation - An Interactive Story

Dexchampion
Explore down a variety of paths ending in various transformation themed stories!
290 words 2 chapters 1 author 1.3K views
2
2
April 3, '23

The Inanimatron

Ubersalamander
A strange device arrives at your home, giving you the ability to transform into inanimate objects.
9.1K words 19 chapters 5 authors 20K views
42
11
April 10, '24

FTP-No-Jutsu

tsuki
A ninja in Konoha finds a very old scroll that can transform anyone into a body part.
24K words 100 chapters 4 authors 50K views
1
3
February 16, '25

Miscommunication

Ubersalamander
David was always the center of attention for his owner, Emily, but how will he get by when her new boyfriend comes over? Caught up in their lovemaking, will he learn to enjoy himself, or will jealousy be the death of him? Commissioned by an anonymous user
20K words 4 chapters 1 author 4K views
9
2
July 23, '23
multiple perspectives
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From buff to curvaceous

soodersooder
An interactive where buff muscular men will have all their muscle turned to fat, in ALL the right places.
770 words 2 chapters 2 authors 590 views
February 21, '25

A Tale of the Grand Skies

EnviTheFool
A erotic interactive story featuring the characters from Granblue Fantasy, about size and other things.
18K words 67 chapters 2 authors 27K views
32
4
September 5

Island of Change Collaberotica Version

the1swagking
A mysterious resort on a pacific island, full of transformation.
79K words 230 chapters 6 authors 97K views
7
5
June 19
inanimate transformation
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female domination
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Punie Rescue Force

Ubersalamander
From the mind that commissioned "Miscommunication" comes another tale full of love, loss, and tiny people being coated in cum. Oliver is in a race against time to save his girlfriend, while a pair of Humans abduct and kill thousands of Punies (near-microscopic people) for fun and profit.
6.8K words 1 chapter 1 author 950 views
2
August 20, '23

Attack of the Woman eating Slimes!

Gimlet
An interdimensional rift allows slimes into our world, and for some reason they seem to favor the female of the species. To play with, to merge with, or simply to consume. The results could be extremely weird.
3.7K words 9 chapters 2 authors 5.2K views
6
2
September 22, '24

The Lab of Mysteries

dimbulb
In the central valley of California, there's a blue-sky laboratory running experiments that might one day change the world. One scientist in particular, Dr. Angela Grant, is on the verge of a break-through. Let's visit her lab and see what's in her workshop . . .
5K words 13 chapters 2 authors 8.7K views
1
2
April 29, '25

Honeymoon Shrinking

Marak077
(A remake of Shrunk On Your Honeymoon by JNJay) A honeymoon turns into a struggle for survival. Or Perhaps a story of pleasure between lovers. You decide.
1.6K words 6 chapters 2 authors 1.6K views
2
November 26, '24

The Wicca (And Occult!!) Club in: A Delicious Halloween Adventure!

Paok
Three university club pals perform magic on Halloween, with unintended consequences. At the same time, unbeknownst to them, three other university club pals are also performing magic on Halloween, with unintended consequences. A very silly story written for Size Fiction's 2025 Halloween contest
2.1K words 2 chapters 1 author 220 views
November 14, '25

Sizetober 2025 Collection (Envi edition)

EnviTheFool
A collection of drabbles written for Sizetober 2025. (More elaborate tags in individual chapters)
3.9K words 9 chapters 1 author 1K views
November 14, '25

Shrinkism: Stature and transition

Anon_TitleNotation
Based on the same world of Shrinkism, this story passes on Chicago, in a world where due to a disease, some people can shrink until they’re 21, this the life of Luke, a shrinkie of 2 inches tall that needs to survive in a world that wasn’t made for him.
6.1K words 1 chapter 1 author 230 views
2
2
April 25