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Welcome the UO Demo Wiki.

Click here to read more about the Dating the Ultima Online Demo.

After installing UO Demo you see two files : uodemo.exe and uodemo.dat.

uodemo.exe is the executable, it contains authentic server code and a full client.

uodemo.dat is encrypted using the GOST block cipher [1]. The keys to decrypt the file are inside uodemo.exe but I'm not sure it's legal to post those keys here. See also .rundir.

UO Demo+.

The uodemo+.exe is a modified uodemo.exe to unleash some of the secrets within.

UoDmClnt. (UO Demo Client)

The UoDmClnt.exe is a modified uodemo.exe to act as a real/pure client without calling the server functions.

UO Demo Forum

09/13/09 (2009-09-13) With the help of Derrick, a forum where you can find help about running or hacking/modding the demo, has been opened on the JoinUO Forums : UO Demo Forum