Blizzard spent much of Sunday battling a distributed denial of service (DDoS) attack that rendered Diablo 4 unplayable for hours.
Players began to report issues signing into the always-online action role-playing game as well as other Battle.net games on Saturday night, and login problems persisted into Sunday morning. Blizzard’s customer support Twitter account revealed the source of the problem: a DDoS attack it was “actively working to mitigate”.
The issue was so bad a warning message was added to Battle.net itself. It wasn’t until Sunday evening the same Twitter account declared the DDoS attack over, although it did not specify whether Blizzard mitigated the attack, the people behind the attack simply stopped their action, or a combination of both.
As you'd expect, fans expressed their frustration across social media and in online forums. “Over 12 hours for me,” wrote redditor LethalBacon. “Was hoping to play a few hours on a Saturday night after working ~10 hours. Nope. No worries, it'll be up Sunday morning! Nope. S**t happens, but it's frustrating.”
While DDoS attacks like this one can strike any developer and any video game at any time, it is a stark reminder of Blizzard’s controversial decision to make Diablo 4 an always-online game, and has sparked renewed calls for the addition of an offline mode. Diablo 4 has been rendered unplayable due to login issues multiple times since its launch earlier in June, with disconnections and other problems causing the tragic death of Hardcore characters as they approach or hit the level cap of 100.
“The problem is this wouldn't be a problem if the game had a f**king single-player mode that didn't require an internet connection,” redditor Astray said. “Always-online video games are
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