ModsJava
Riichi Mahjong
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
Riichi Mahjong
Riichi Mahjong adds a fully playable Riichi Mahjong table to Minecraft for both NeoForge and Fabric.
Features
- Full Riichi Mahjong ruleset with all yaku and specific rules (even chankan)
- Rule presets (Mahjong Soul / Tenhou / WRC)
- 1..4 player modes - bots fill empty seats
- Mahjong altar: craft items by scoring playing mahjong (what?)
- Yaku generator: generate RF energy by playing mahjong (what?)
- Fake mahjong: another game which was called mahjong for some reason
- FOV normalizer: enforce FOV in the area
- Achievements
Dependencies
- Minecraft 1.21.1
- NeoForge 21.1.215+ or Fabric (loader 0.19.2+, Fabric API 0.116.11+)
- Architectury API 13.0.8+
- On Fabric: Team Reborn Energy 4.1.0 (bundled)
Recipes are balanced for vanilla - no extra dependencies required.
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 riichi_mahjong-fabric-0.4.1.jar — drop this file into the mods folder
- Download size: 1.8 MB
- Download link checked 12 Oct 2026 — working
These come from our own check of the pack file, not from the source page.