Fragadelic - Total conversions and extra levels. Parallel Team - Various episodes including Parallel Dimension I and II, and Fragfest Initialised. Holger & Bjorns Doom Stuff - Infinity, Serenity and Eternity, new episodes for Doom, and other new levels. Karthik 82 - Personal site with reviews and new levels. Geniacs Doom Wad Played List - One-line descriptions for a large number of add-on levels. ZDaemon - Multiplayer client / server port. Contains beginner's guides, strategy guide, FAQ, forums and a game launcher. Doom Underground - Reviews and screenshots of add-on levels. Visions Of Doom - Personal add-on reviews site. The Doom Site - Small collection of WADs, some original. Also lists the author's favourite utilities.