Muscle Journey
Game Information
Developer
Myon-SanVersion
v0.3 Public
Engine
Ren'Py
Release Date
Jun 15, 2025
Last Update
Oct 18, 2025
Censorship
Uncensored
Overview
Muscle Journey is a 3D visual novel for players who want a lighter, humor-driven take on fetish content with dating sim elements. The tone stays playful even as the story leans into its niche focus.
Story
A man stuck in a repetitive routine with his stepmom and stepsister gets pulled out of that rut when a stranger approaches him on a train. She wants his help growing serious muscle on a group of women, and that request sets his fetish-driven world on a new path.
Gameplay
You play the protagonist, a office worker in his 20s, moving through a sandbox structure where daily routine and relationship-building lead into the game's core focus: growing muscle, height, and other changes on the women around him. Progress toward each new growth stage takes some grinding, and the loop mixes dating sim interactions with lighter transformation content alongside the muscle growth focus.
Features
- 3DCG presentation with a large number of character CGs
- Growth themes beyond muscle, including planned height and breast changes
- A quest system to track progress through the sandbox routine
- Mix of femdom and maledom dynamics alongside the core transformation content
Installation
1. Extract and run.
Changelog
v0.2
- 1. I’ve switched up all the character designs.
- 2. Got some FMG (Female Muscle Growth) animations with 23 sequences for three characters, Dorothy and two others surprise characters.
- 3. Threw in workout animations with nine sequences for five characters, like Olivia and others.
- 4. Added about 1,400 new CGs.
- 5. Revamped the entire UI.
- 6. Dropped in a quest system to make your life easier.
- 7. Overhauled the storyline – whole new vibe.
- 8. No more sprites, just pure CG goodness.
- 9. Added a tutorial to help you out.
- 10. Got rid of placeholders on the map – everything’s filled in now.
- 11. Punched in roughly 7,000 lines of code.
- 12. Slapped a video on the main menu.
- 13. This feels like a brand new game, but I’m calling it an update because it sticks to the original concept.
- 14. And there’s a bunch more stuff I can’t even list here!
v0.1
- 1. Dorothy has 9 Levels of size
- 2. Some Events
- 3. Map System
- 4. Perspective System
- 5. Workout Scene
- 6. Night and day system
- 7. Change the font to make it easier to read
- 8. Activity System
- 9. Dorothy can check herself in the mirror and there will be a description.
- 10. More than 10 thousand lines of coding (I can't count them anymore)
- 11. Sprites for each character
- 12. Scene has been rendered for the implemented location
- 13. One important event at the end when Dorothy has reached level 9 size
- 14. And there are many more that I can't mention one by one
- Prologue
- All Main Character Introduction
- Linear Storyline
