
mod
Riichi MahjongMinecraft mod for 1.21.1
Multiplayer Riichi Mahjong. Contains extra features and semi-progression
- Latest version
- 0.4.1
- Minecraft
- 1.20.1 to 1.21.1
- Java
- Java 21+
- Loaders
- Fabric, NeoForge, Forge
- Licence
- MIT
- Downloads
- 3.1k
- Updated
- 5 mo ago
- Available on
- Modrinth
Host Riichi Mahjong servers
One click and Riichi Mahjong is installed with the right loader, on hardware built for it.
- 1.21.1
- Fabric
- NeoForge
- Forge
- One click mod install
- Loader matched for you
- Ryzen CPUs
- NVMe SSD
Screenshots
Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.
Minecraft versions
Every version Riichi Mahjong declares support for, newest first, with the Java runtime that version needs.
| Minecraft | Through | Java | Evidence | Released |
|---|---|---|---|---|
| 1.21.1 | Fabric, NeoForge, Forge | 21+ | declared | 8 Aug 2024 |
| 1.20.6 | NeoForge, Forge, Fabric | 21+ | declared | 29 Apr 2024 |
| 1.20.5 | Forge, Fabric, NeoForge | 21+ | declared | 23 Apr 2024 |
| 1.20.4 | Forge, Fabric, NeoForge | 17+ | declared | 7 Dec 2023 |
| 1.20.3 | NeoForge, Forge, Fabric | 17+ | declared | 4 Dec 2023 |
| 1.20.2 | Fabric, NeoForge, Forge | 17+ | declared | 20 Sept 2023 |
| 1.20.1 | Forge, NeoForge, Fabric | 17+ | declared | 12 Jun 2023 |
Download
From Riichi Mahjong’s own host. Nothing is re-hosted here.
riichi_mahjong-fabric-0.4.1.jar · 1.8 MB · for 1.21.1
66e61ce2c3a6…Older versions5Hide older versions
- 0.4.012 May 20261.21.11.8 MB4 downloads
66c4627f2053…Get - 0.3.210 May 20261.21.11.8 MB21 downloads
4168ab605078…Get - 0.3.09 May 20261.21.11.8 MB12 downloads
f13c25c43c22…Get - 0.2.08 May 20261.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2 +1 more1.8 MB266 downloads
f1ae1ee91135…Get - 0.1.08 May 20261.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2 +1 more1.6 MB18 downloads
ab9bdc4cca97…Get
Frequently asked
Does Riichi Mahjong work on Minecraft 1.21.1?
Yes. 1.21.1 is the newest Minecraft version Riichi Mahjong declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.
Which Minecraft versions does Riichi Mahjong support?
Everything the author has declared, from 1.20.1 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.
Do I need to install Riichi Mahjong on the client or the server?
Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.
Which platform or loader does Riichi Mahjong support?
Fabric, NeoForge, Forge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.
Which Java version do I need for Riichi Mahjong?
On the newest Minecraft version it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.
What licence is Riichi Mahjong under?
MIT, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.
How do I install Riichi Mahjong?
Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.
Where do I download Riichi Mahjong safely?
Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.
Works on the same versions
Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.
Is this information wrong or missing something? .

