GameFAQs
- A selection of walkthroughs.
- http://www.gamefaqs.com/computer/doswin/game/47583.html

Hellfire - The Dark
- Hellfire modification information and download.
- http://www.thedark5.com/

GameSpot
- Review by Desslock, [7.5/10]. "Fails to provide as compelling an experience as Diablo, but does provides a good quantity of new monsters, items, spells, and settings."
- http://www.gamespot.com/pc/rpg/hellfire/review.html

Level 80
- Includes details on accessing secret Easter eggs and transferring characters.
- http://www.level80.co.uk/pcdiabloh.htm

Hellfire at DiabloII.net
- Large Hellfire resource including strategy, guides, guilds, new items and character classes.
- http://www.diabloii.net/hellfire/

PlanetDiablo: Hellfire
- Offers information on quests, characters, spells, items, and shrines
- http://www.planetdiablo.com/hellfire/