This always-online structure is due to the shared open-world design of the game, which allows players to interact with others in towns and fields, including spamming emotes. The incident has prompted fans to call for an offline mode in Diablo IV to be introduced, allowing them to continue playing even when online servers are compromised.ĭiablo IV requires players to maintain a constant internet connection to play the game. Diablo IV players experienced a frustrating weekend when a series of Distributed Denial-of-Service (DDoS) attacks rendered Blizzard’s new action RPG (or, as critics would like to say, action RNG) unplayable for several hours.