Diablo’s Hellfire expansion is now on GOG, as a free add-on to the base game June 5, 2019 by admin Tweet Thanks to popular demand, the Hellfire expansion for the original Diablo is now available as a free add-on on GOG. It’s just as well, since the base game is 10% off as part of the ongoing sale. Read more… Neowin Related Posts:Deal: Check out this great eBook on the making of…Diablo IV: Vessel of Hatred expansion launches in…Sorry, Blizzard's Diablo IV isn't going to be added…Diablo II: Resurrected on Xbox Series X review — A…Diablo IV is already Blizzard's fastest selling game…