World of Warcraft is the biggest MMORPG out there with 5 expansions under its belt and more than 11 years of live service, Blizzard Entertainment are showing no signs of stopping any time soon.
Game Type: MMORPG
Expansions: Burning Crusade, Wrath of the Lich King, Cataclysm, Mists of Pandaria, Warlords of Draenor
Business Model: Subscription
Platforms: Windows, Mac
Developer: Blizzard Entertainment
Publisher: Blizzard Entertainment
Release Date: November 23, 2004