You cannot change Diablo Immortal PC resolution, atleast not yet

Diablo Immortal is out now, with full support for mobile gamers worldwide. PC players can also play the game too, however, the PC client is a little
PC players are finding that you cannot alter the Diablo Immortal PC resolution, at least not yet

Petition · Diablo Immortal Aggressive Microtransaction Reform ·

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Damn, Diablo Immortal is massive for a phone game : r/Diablo