This mod adds two brand-new biomes to Minecraft, each with its own unique style, creatures, and gameplay mechanics — from post-apocalyptic survival to sweet adventures!
☢️ Radioactive Plain
Enter a toxic biome filled with uranium, dangerous radiation, and some mutant mobs.
Features:
- Uranium Ore: A powerful but dangerous new resource.
- Nuclear Bomb: Craft and detonate a massive explosion that reshapes the terrain.
- Radiation Armor: Protect yourself from deadly radiation effects while exploring.
- Mutant Mobs: Twisted versions of normal mobs — like two-headed pigs and long-legged cows.
🍬 Candy Valley
A magical and colorful world straight out of a dream! Discover sugar blocks, chocolate rock formations, and rainbows. A lot of the blocks of this biome are edible !
Features:
- Candy Terrain: Explore vibrant landscapes made of sugar and chocolate.
- New Mobs:
- Sugar Slime: Sticky, bouncy, and a little too sweet.
- Candy Mage: A mysterious caster with sugary spells.
- Unicorn: Rare and rideable — if you’re lucky enough to tame one!
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.1, 1.21.2, 1.21.3
- 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: Opens on Modrinth — not every file is mirrored on our own servers.
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
- Ships as lairs_extra_biomes-neoforge-1.21.1.jar — drop this file into the mods folder
- Download size: 349 KB
- Download link checked 31 Aug 2026 — working
These come from our own check of the pack file, not from the source page.