Slimer's Universal Madness

Slimer's Universal Madness

The collapse of time and space has left some annomalies behind...

by
41 Downloads
forgeadventureequipmentmobs
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Screenshots

Junkrat
Pretty :)
Mandatory movie reference right here!
Full Purplonium Set
Martian!
Items!

About this Mod

The fabric of Minecraft’s universe is unraveling, causing a bizarre collision of times and dimensions! From aliens to parasites, this mod introduces a crazy assortment of mobs, biomes, and items that have spilled into the Overworld, Nether, and End due to a catastrophic space-time rift.

Mod's official Logo

Features:

Mars Biome: Explore the harsh, red desert of Mars, where sunlight is so intense you’ll need special suits to survive.

Martians: The Martians are tiny, alien-like creatures that look like the classic "greys" from popular culture, but with a twist—they're blue! These little beings inhabit the Mars Biome and are generally peaceful unless provoked. If an intruder harms one of their kind, they retaliate with laser blasts, defending their colony with surprising ferocity.

Purplonium Ore: A rare and powerful mineral from the future, Purplonium allows you to craft high-tech laser weapons and radiation-proof armor. It’s hard to find, but worth the effort!

Walking Tree: The Walking Tree is a twisted, aggressive version of its former self. Infested by a parasitic organism, trees have become hostile creatures. Strange tentacles have grown out of the bark shell, allowing them to roam the landscape. Ears now peer out from their bark, and they attack any person that comes near their corrupted leaves. Most of them are the same, but the cactus reflects damage, flower variant spawns bees and dark oak has been dominated by Illagers

Blue Rosebush: It may seem like just a beautiful flower, but it is a rare and mysterious plant that appears in the Overworld as a result of the space-time rift. Found in small patches in forests and plains, this rosebush is highly sought after for its unique color and calming appearance.

Cybernetic Flower: It's a product of a futuristic world where nature and technology have merged. This flower’s petals are made of Silicon rather than organic material, giving it a metallic sheen and a robotic appearance. Found in the Mars biome, these flowers are not just decorative—they are key components for crafting high-tech gear.

Retrorex: A tirannical dinosaur, straight out of a vintage paleoart book. This tyrant roams the deserts and of Minecraft, lumbering around with its scaly, projectile proof skin. It's crushing teeths can be used to make puncturing knifes!

Junkrat: Toys made alive, from a broken world of pollution. Out of place in this launch, could they be tied to a future update?

Languages available:
English(US)
Português(BR)
MADE FOR THE Minecraft Modding Madness Modjam in september of 2024

PLEASE SUBMIT BUGS IN THE COMMENTS, ASWELL AS CONTENT IDEAS FOR THE FUTURE!

MADE IN MCREATOR BY Slimer87_

CHECK MY OTHER MODS OUT: https://modrinth.com/mod/slimers-foods! and https://modrinth.com/mod/se-slimers-everything!

This mod will no longer be updated for the time being, I'm working on another mod and just decided to post SUM on Modrinth to make my life easier! (if a cool number of people enjoy it I'll be recoding the whole thing in the big new tech and versions of 2026!!!)

Available Versions

Slimer's Universal Madness 1.0.0release
MC 1.20.1forge
February 2, 2026

How to Install Slimer's Universal Madness on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set forge Loader

In the panel under "Egg", select the forge loader and matching Minecraft version (1.20.1).

3

Install Mod

Open the mod browser in the dashboard and search for "Slimer's Universal Madness". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

forge

Minecraft Versions

1.20.1

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Slimer's Universal Madness server crashes on startup – what to do?

Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.20.1). You can switch loaders with one click in the panel.

Is Slimer's Universal Madness compatible with forge?

Slimer's Universal Madness officially supports forge for Minecraft 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Slimer's Universal Madness – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Slimer's Universal Madness consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.

Rent Modded Server

Install Slimer's Universal Madness with just one click on your server.

Recommended RAM
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Min. 3 GB | +1 GB pro 8 Spieler
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NVMe SSD Storage
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Details

License
LicenseRef-All-Rights-Reserved
Server-side
Required

Supported Versions

1.20.1