Blizzard Entertainment officially announces Diablo IV at BlizzCon, revealing the game's return to a darker and more mature tone.
Blizzard showcases extensive Diablo IV gameplay demonstrating new features, open world exploration, and updated graphics at BlizzCon.
New multiplayer and social features of Diablo IV are detailed by Blizzard, including shared open world and PvP zones.
Blizzard announces the upcoming closed beta test phase for Diablo IV, inviting players to participate in testing the game.