Required
Open project Fabric API
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RailOptimization 2.0
Check the game version, loader and dependencies below, then grab this exact release.
Modrinth release
railoptimization-2.0+mc1.21.2-fabric.jar
2.0
- Game
- 1.21.2, 1.21.3, 1.21.4
- Loader
- Fabric, Quilt
- Published
- 18 Sept 2026
- Channel
- release
- File size
- 107.9 KB
SHA-1b5bde35f2c2b0ab58dc784fffb5d004e63d44a9a
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Client, server, or both?
Client Do not install
Dedicated server Required
This file is marked server-only.
Dependencies for this release