Old School Ops

RF Online: Dragonborn

Version 4.55 "Dragonborn"
v0.4.0

The final RF Online update: Dragonborn and Mythic gear, mounts, and item collections.

2022 original release · In development. Runs, and has gaps you will notice. The official servers closed at the end of 2025, so there is no original left to compare against. No public server yet.

v0.4.0server
107 MBbundle
2026-10-14released
2025-07-16client build
44watching

Run your ownRelease notes

A self-host release: the server, its data, the launcher and this game's tools, all built from one commit. Bring the game client named on the right.

Download v0.4.0 107 MB · 2026-10-14
SHA-256 ba41109a5da265afbdf7ca5b544906b7270db64d42d026d6b77252198e876889

The game client needs a patch before it runs. GoMMO Client Patcher, also in the bundle's tools folder, applies it; Patching your client shows how.

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Game client

This server works with one game client build and no other. A client from another version fails at the login screen.

Version 4.55 "Dragonborn" client

RF Online Taiwan, the newest 4.x build there is (Authenticode-signed by CCR INC)

File, size and hashes
FileRF_Online.bin
Build date2025-07-16
Size8 MB
SHA-25646528aac20499e3b3928d58658d7e0cefe26feba7cd193796d5cfbf7a2bbc558
This client expires and then greys out Start Game. To switch that check off, open tools\GoMMO_Client_Patcher.exe and drop RF_Online.bin on its window. The Game Clients page in the documentation has the details. The client runs in Traditional Chinese only: keep the launcher's nation code at TW, because its other language folders date from 4.15 and lack the text for its newer content.
Check the hash before you report a bug. Several retail builds share a version number, so the number alone does not identify the file.

Patch it before the first run: open GoMMO Client Patcher and drop RF_Online.bin on its window. It switches on: Client expiry.

Patching your client says what each fix does.

Start herefrom download to a running server

  1. 1

    What You Need

    The hardware, software and files required to run one of our servers, and the one rule about matching a client to a server.

  2. 2

    Installing

    Download, unzip, run. On Windows that is one double-click of GoMMO Manager. What is inside a release, how to tell it worked, and how to keep it running.

  3. 3

    Configuration

    What each setting in settings.cfg does, which port your game uses, and how to open a server to the outside world.

  4. 4

    Troubleshooting

    The failures people actually hit, what each one really means, and how to tell them apart.

Written for Dragonborn

Handy guidesAll 30 guides

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