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After 21 years the Battle.net name has been retired and will now be known just as Blizzard launcher. Battle.net was originally developed and released as a communications platform for co-op mode of original Diablo on 1996. Since then it evolved into a launcher for all Blizzard games, including World of Warcraft, Starcraft 2, Diablo 3, Hearthstone, Heroes of the Storm and Overwatch.