
Radiation… Toxic Waste and players hand. These will be the ingredients chosen to make little tiny pets. But Soulas has failed and accidentally added a mutating shell to the mix. The deadliest serum ever has been made! Mutant Mobs Mod 1.12.2 was born.

Features:
Mutant Spider:
- Has 160 Health and will deal 6 damage per hit.
- Has same properties as vanilla Minecraft spider.
- Will randomly leap around his opponents and every 500-700 ticks spawn baby spiders to it in battle.
- Heals 3 hp every 400 ticks during the night.
- Doesn’t take any fall damage and even has a spider jockey variation.
- Will drop same spider loot as a normal spider.
- On death will spawn a horde of babies.
- Has 1% chance to spawn in biomes like the forest, desert, plains and so on..

Mutant Cave Spider:
- Has 140 Health and will deal 4 damage per hit.
- Has same properties as vanilla Minecraft cave spider.
- Will leap around randomly when fightning and spit poison around it’s enemies.
- Venom armor will increase his size by 2x and echance his stats by 20%.
- Is immune to fall damage.
- When health is below 50% will active it’s venom armor and will start leaping and spitting poison even more.
- Heals 3 hp every 400 ticks during the night.
- On death will spit 10x times more poison if enemy will be near him.
- Has 1% chance to spawn in biomes like forest, desert, plains and so on..

Mutant Pigman:
- Has 200 health and deals 10 damage per hit.
- Has the same properties as zombie pigman that means he is neutral and immune to the fire by default.
- Will jump around when fighting and every 400-600 ticks spawn pigman to aid him in battle.
- Has passive buff called iron skin that will allow him to absorb 50% of taken damage and will take only 1 damage from anything else, for example, arrows, snowballs, fall damage, magic and even more.
- Is immune to fall damage and knockback as well.
- Will regenerate 3 health every 200 ticks.
- When health is below 50% will active enrage mode, that will drastically increase his speed.
- On death will summon a horde of pigman to finish his enemy.
- Has 1% chance to spawn in the nether.

Mutant Iron Golem:
- Has 1000 health and deals 21-40 damage per hit to a single target and 11-20 to mobs around his target.
- Is number 1 mutant in the mod, can easily defeat hordes of wither bosses and mutant pigman combined.
- Has AOE ability that will allow him to attack multiple mobs at once.
- Has furnace powering him, that means whenever he fights his furnace will light up.
- Has same properties as Iron Golem, though will fight creepers as well.
- Can’t spawn or can’t be made in survival yet(suggest your ideas down below).

Screenshots:







Mutant Mobs Mod 1.12.2 Download Links
For Minecraft 1.12.2
Quick facts
- Edition: Minecraft Java
- File type: .jar
- 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.
Verified by MCModsHub
- Downloads as 209085.mcaddon
- Download size: 99 KB
- Download link checked 24 Jul 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.