90		The Secret World (Windows, 2012)
88		Rift (Windows, 2011)
85		The Elder Scrolls Online (Windows, 2014)
85		WildStar (Windows, 2014)
82		Asheron's Call (Windows, 1999)
82		Darkfall (Windows, 2009)
70		Atlas (Windows, 2018)
59		DC Universe Online (Windows, 2011)
56		Defiance (Windows, 2013)
51		Dekaron (Windows, 2008)
51		4Story (Windows, 2008)
50		Phantasy Star Online (Windows, 2001)
50		Project Visitor (Windows, 2003)
50		Phantasy Star Online: Blue Burst (Windows, 2005)
50		Seal Online (Windows, 2007)
43		Final Fantasy XIV Online (Windows, 2010)
42		ARK: Survival Evolved (Windows, 2015)

Notes: Games similar to TERA, Games like TERA, Bluehole Studio, Inc., En Masse Entertainment, Inc., Windows, Action, Role-Playing, RPG, Fantasy, Massively Multiplayer, Persistent, Behind view, UnrealEngine3, PC, Game Similarities.