Ready to install?

RailOptimization 2.0

Check the game version, loader and dependencies below, then grab this exact release.

Modrinth release

railoptimization-2.0+mc26.1.2-fabric.jar

2.0

Game
26.1, 26.1.1, 26.1.2, 26.2, 26.3
Loader
Fabric, Quilt
Published
18 Sept 2026
Channel
release
File size
108.0 KB

SHA-1545a3a92a0191c176ce3fd44230a7e53402fd351

Where this file goes

Client, server, or both?

Client Do not install
Dedicated server Required

This file is marked server-only.

Dependencies for this release

What else does it need?

Required

Fabric API

Matching file found for at least one listed target: 0.166.2+26.3

Open project