The Ultimate Vampire Resource and Directory

It is a single player computer role-playing game developed by Troika Games and published by Sierra Entertainment. It was released in North America and Europe in August, 2001 for Microsoft Windows. Debuting at fourth position on NPD Intelect's best-seller list, 234,000 copies of Arcanum have since been sold, with takings of $8.8 million, it was Troika's best-selling title.

Despite the large number of bugs in the game, a problem common to all of Troika's titles, reviews have been mostly positive, with IGN scoring it 8.7 and conferring the IGN Editors' Choice Award on 24 August 2001. PC Gamer and GameZone awarded Arcanum 90 out of 100, with the latter also conferring its Editors' Choice accolade. The Electric Playground awarded the game 9 out of 10, calling it "the most diverse and open-ended RPG to date." The game currently holds an average review score of 79% on GameRankings and 81% on Metacritic.