: Open this file with a text editor and change the AUTHSERVERIP to the address of the server you wish to join.
If you have a packed client rather than an unpacked one, you'll need to extract its contents manually. The pkextractor tool, developed by community member lcdr, is the standard solution for this task. It's a graphical viewer and extractor for parsing .pk files (used by LEGO Universe to pack assets) and displaying their contents. lego universe client 110 64 unpacked
The unpacked LEGO Universe client (110, 64-bit) provides an for archival, modding, and server emulation projects. All critical game logic and assets are now accessible without proprietary extraction tools. : Open this file with a text editor