This is a list of notable massively multiplayer online games (MMOG), sorted by category. Massively multiplayer online first-person shooter games (MMOFPS) Massively multiplayer online role-playing games (MMORPG) Massively multiplayer online real-time strategy games (MMORTS) Massively multiplayer online turn-based strategy games Action Armored Warfare Cartoon Network Universe: FusionFall CrimeCraft DC Universe Online Infantry Online Starport: Galactic Empires SubSpace World of Tanks World of Warships World of Warplanes War Thunder Browser games Agar.io Bin Weevils Blood Wars Castle of Heroes Club Penguin Command & Conquer: Tiberium Alliances Dark Orbit Empire & State Hattrick Ikariam Illyriad Imperia Online Little Space Heroes Lord of Ultima Miniconomy National Geographic Animal Jam NEO Shifters Ogame Omerta Pardus Pirate Galaxy Poptropica Planetarion Realm of the Mad God Runes of Magic Samurai Taisen Sentou Gakuen Slither.io Smallworlds Surviv.io Tenvi Terra Militaris TirNua Transformice Travian Tribal Wars Twin Skies Urban Dead World of the Living Dead: Resurrection Browser games with 3D rendering Battlestar Galactica Online Dark Orbit (Since 2015) Dead Frontier Family Guy Online Fragoria Free Realms RuneScape Tanki Online Building games Active Worlds Wurm Online Exploration Uru Live Puzzle Yohoho! Puzzle Pirates Social games Active Worlds Bin Weevils EGO Flyff Free Realms Furcadia Habbo Nicktropolis OurWorld Red Light Center Roblox Second Life The Sims Online SmallWorlds Tanki Online There TirNua Toontown Online Transformice Virtual Magic Kingdom Virtual World of Kaneva vSide Wizard 101 Pirate101 National Geographic Animal Jam Woozworld Star Wars: The Old Republic Space simulation Dual Universe Elite Dangerous Eve Online See also List of free massively multiplayer online games List of free multiplayer online games Multiplayer video game Massively multiplayer online role-playing game (MMORPG) Browser based game Chronology of MUDs MMOGs list games Massively multiplayer online it:Massively multiplayer online game