Below, you can download the various files needed to play Worlds of Ultima: Lost Sosaria (or, at least, as much of it as has been completed at present). All files are compressed using 7-Zip compression.

Module

(unzip this file to your “[Neverwinter Nights install directory]/modules/” folder)

• Lost Sosaria (changelog)

Hak Paks

(unzip these files to your “[Neverwinter Nights install directory]/hak/” folder)

• Castle Expanded v4
• CEP2 (no tilesets)
• No Cobble CRF
• Rocky Mountains v11.1
• Seasonal Forest v9
• Ultima Music

(for the music Hak, unzip the .BMU files to your “[Neverwinter Nights install directory]/music/” folder)

ERF files

(unzip this file to your “[Neverwinter Nights install directory]/erf/” folder)

• ERF files (changelog)

TLK files

(unzip this file to your “[Neverwinter Nights install directory]/tlk/” folder)

• Lost Sosaria TLK (changelog)

Override files

(unzip this file to your “[Neverwinter Nights install directory]/override/” folder)

• Lost Sosaria 2DAs (changelog)