List of massively multiplayer online games
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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
Exploration
Puzzle
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