87		Age of Conan: Hyborian Adventures (Windows, 2008)
85		Guild Wars (Windows, 2005)
85		World of WarCraft (Windows, 2004)
85		Aion (Windows, 2009)
85		Dark Age of Camelot (Windows, 2001)
84		Guild Wars 2 (Windows, 2012)
83		EverQuest II (Windows, 2004)
82		Villagers & Heroes of a Mystical Land (Windows, 2011)
82		Asheron's Call 2: Fallen Kings (Windows, 2002)
82		EverQuest (Windows, 1999)
56		The Lord of the Rings Online: Shadows of Angmar (Windows, 2007)
55		Richard Garriott's Tabula Rasa (Windows, 2007)
55		MapleStory (Windows, 2006)
54		City of Villains (Windows, 2005)
53		City of Heroes (Windows, 2004)
52		The Matrix Online (Windows, 2005)
51		A Chinese Ghost Story Online (Windows, 2012)
51		Tibia (Windows, 1997)
51		The Saga of Ryzom (Windows, 2004)
51		Meridian 59 (Windows, 1996)
50		Star Wars: Galaxies - An Empire Divided (Windows, 2003)
50		Club Penguin Island (Windows, 2018)
49		Warhammer Online: Age of Reckoning (Windows, 2008)
44		Pirates of the Caribbean Online (Windows, 2007)
41		Ultima Online (Windows, 1997)
41		Ragnarök Online (Windows, 2002)
40		Nexus: The Kingdom of the Winds (Windows, 1998)
40		RuneScape (Windows, 2001)
40		Final Fantasy XI Online (Windows, 2002)

Notes: Games similar to Atlantica Online, Games like Atlantica Online, Ndoors Corporation, Ndoors Interactive Inc., Windows, Role-Playing, RPG, Fantasy, Massively Multiplayer, Persistent, Turn-based, Behind view, PC, Game Similarities.