Blizzard Entertainment created the Diablo video game series in 2002.
Blizzard Entertainment . Blizzard went on to create several other video games , including Warcraft sequels , the Diablo series , the StarCraft series , and in 2004 the massively multiplayer online role-playing game World of Warcraft . Diablo (series) . To celebrate Diablo 's 20th anniversary , the original game was going to be recreated in Diablo III in late 2016 . Diablo is an action role-playing hack and slash video game developed by Blizzard North and released by Blizzard Entertainment on December 31 , 1996 .