72		Final Fantasy XIV Online (Windows, 2010)
53		Darkfall (Windows, 2009)
53		Rift (Windows, 2011)
52		Neocron 2: Beyond Dome of York (Windows, 2004)
52		WildStar (Windows, 2014)
52		Asheron's Call (Windows, 1999)
51		TERA (Windows, 2012)
51		The Secret World (Windows, 2012)
50		The Elder Scrolls Online (Windows, 2014)
41		Gocco of War (Windows, 2015)
40		Atlas (Windows, 2018)

Notes: Games similar to Seal Online, Games like Seal Online, Grigon Entertainment, YNK Games Inc., YNK Interactive, Windows, Action, Role-Playing, RPG, Fantasy, Massively Multiplayer, Persistent, 3rd-person, Other, PC, Game Similarities.