ModsJava
Changed Port Mod (1.21.1) – Survive Lab Outbreaks and Morph Into Latex Beasts
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
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Changed Port Mod brings Changed:MC content to NeoForge with new creatures, scientific laboratory items, and character transformation mechanics. Players can turn into various latex creatures to gain special movement perks while dealing with new survival drawbacks. The mod also fills the world with research facilities, strange fluid puddles, and special protective gear.
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Features:
- Latex Transformations: Turn your character into different furry latex forms that grant unique abilities and distinct physical traits.
- Scientific Laboratories: Spawns abandoned research facilities containing computers, IV racks, beakers, and locked security doors.
- Custom Biomes: Adds Dark Latex Plains and White Latex Forests filled with strange goo, dark crystals, and tall trees.
- Spawns over ninety latex mob variants including Dark Latex Wolves, Behemoths, Gas Skunks, and Dragons.
- Adds specialized equipment like lab coats, gas masks, face masks, and blood syringes.
- Provides new building items such as lab tables, bar stools, cardboard boxes, and air conditioners.
- Adds the Latex Protection and Form Fitting armor enchantments.
- Introduces laboratory doors that open only when powered with redstone and shut down without power.
Latex Creatures:
- Dark Latex Wolf: wanders around plains and attempts to turn nearby players.
- Dark Dragon: large flying boss creature found in dark crystal zones.
- Gas Tiger: releases transfur gas clouds that alter player forms over time.
- Horned Crystal Wolf: guards crystal clusters and attacks trespassing players.
How to Use:
- Find or craft an infuser block and collect a Latex Base item.
- Use a blood syringe on yourself to extract a blood sample.
- Place the filled syringe into the infuser to craft your chosen transfur formula.
- Purify the resulting syringe and place it inside a stasis chamber.
- Add a canister of oxygenated water into the chamber tanks.
- Open the chamber menu and select Transfur from the Programs list to start the process.
- Power laboratory doors with a redstone wire or lever before trying to walk through them.
Commands:
/transfur: changes your character into a selected latex mob form./tf: short alias command to quickly start a transformation./untransfur: removes your current transformation and returns your character to human form./untf: short alias command to clear your transformed state.
Configuration:
changed:keepConscious: allows you to transform in situations that would otherwise result in normal player death.changed:keepForm: prevents your character from losing its transformed state after respawning.
Screenshots:




Changed Port Mod Download Links
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: In MC Java Mods, or directly above on this page.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Downloads as 521179.mcaddon
- Download size: 16.0 MB
- Download link checked 4 Oct 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.