Crash: The Best of British: Interview with Ultimate from Crash, April 1988.
Planet Sinclair: Ultimate: History, softography and articles.
Rare-Extreme: Offers, guides, cheats, previews, and reviews on the company.
RareTopia: Offers interviews, game profiles, news and speculations on the developer.
Rarewitch Project: Focuses on cheats, game analysis and offers an online interactive rare community.
The Dungbeetles Carcass: Unofficial 'Ultimate Play The Game' Tribute Site.
The Official Rare Web Site: The official developers homepage featuring the pantsboard, game profiles, fan letters, updates and company announcements.
Ultimate Wurlde: Contains articles, game information, maps, and cheats.