Neverwinter Nights: Shadows of Undrentide Expansion Pack  - Mac Expansion pack for Neverwinter Nights for Macintosh New 40-hour single-player campaign; added skills, monsters, weapons, and more Battle a multitude of new enemies in 20+ hours of original gameplay 2 new tile sets and other assets for use in the Aurora toolset Customize new Prestige Classes with over 50 new spells and 30+ new feats