Since then, Blizzard Entertainment has created several Warcraft sequels, including highly influential massively multiplayer online role-playing game World of Warcraft in 2004, as well as three other multi-million selling video game franchises: Diablo, StarCraft and Overwatch.[3][4][5] Their most recent projects include the expansion for Diablo III, Reaper of Souls, the online collectible card game Hearthstone, the multiplayer online battle arena Heroes of the Storm, the third and final expansion for StarCraft II: Wings of Liberty, Legacy of the Void, the multiplayer first-person hero shooter Overwatch, and the eighth expansion for World of Warcraft, Shadowlands. The games are operated through online gaming service Battle.net.