User summary: Sulerin is a rich, detailed fantasy campaign setting presented in free HTML format. There are several major HTML components of the site, including: Atlas (Languages, Multiverse, Timeline) Campaigns (Characters, Modules) Creatures (Index, Encounter Builder) Religions Personalities Magic Items Lore & Stories Rule Additions (Feats, House Rules, Prestige Classes, Races) Spells (Domains) Links In addition, the site has an associated forum, a subscription-based e-mail newsletter, a guestbook, and updates summary, and a search function. The Atlas includes numerous interactive, full-color, richly-detailed maps.