ModsJava
Ion: Biomes & blocks
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on ModrinthA mod that adds new biomes, mechanics, and blocks. There are 8 biomes in total, 2 types of wood, 3 types of bricks, and many other things. The mod also adds interesting biomes, such as a bare dead forest, hot volcanic hills with sulfur and pumice stone, and much more.
⚠️ THE MOD IS IN EARLY ALPHA. MAJOR BUGS ARE POSSIBLE.
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: 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.
File checked by MCModsHub
- Ships as ion-0.2_alpha-neoforge-1.21.1.jar — drop this file into the mods folder
- Download size: 1.1 MB
- Download link checked 2 Oct 2026 — working
These come from our own check of the pack file, not from the source page.