A Global Ultima Online Freeshard with a Custom Ruleset of PRE-AOS / No PreCasting / Influence from SPHERE 55i
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Data over do some monster stats Jan 12, 2016
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.gitignore ignore uo files Dec 31, 2015
.travis.yml Create .travis.yml Jul 21, 2015
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RunUO.sln remove old Assemblies.cfg reference from vs solution Feb 26, 2014


UO-International Repository

This is a custom fork of the open source RunUO emulator project that i built. Unfortunately the server itself is not online anymore :)

Here is the custom ruleset (in general):

  • Only Felucca facet.
  • Pre-Aos expansion status, no insurance, no stats on weapons other than Force, Power, Vanq and accuracy bonus etc.
  • No Precasting.
  • Redone combat system.
  • No Bod. Instead the rewards are craftable.
  • No Factions. Only Order/Chaos.


I did not tested to build on any other system other than Ubuntu amd64 14.10 and greater.


- mono-complete
- zlib
- Ultima Online client files from version or (could work with 7.0.x versions)

zlib is required for certain functionality. Windows zlib builds are packaged with releases and can also be obtained separately here: https://github.com/msturgill/zlib/releases/latest

In the root of the project folder check for the file https://github.com/emirozer/uo-international/blob/master/RunUO.exe.config and change the path to libz accordingly.


dmcs -optimize+ -unsafe -t:exe -out:RunUO.exe -win32icon:Server/runuo.ico -nowarn:219,414 -d:MONO -recurse:Server/*.cs

Than you need to set 3 environment variables:

export UOPATH=/path/to/uo/rootfoolder
export UOMASTER=masteraccountname
export UOPASS=masterpassword

You are all set, time to launch the server:

mono RunUO.exe (while debugging)
nohup mono RunUO.exe &  (process launch it completely in the background)


Thanks to everyone who has been involved in the RunUO emulator development. This freeshard couldn't have been existed without them..