99		Guild Wars: Factions (Windows, 2006)
99		Guild Wars 2 (Windows, 2012)
99		Guild Wars (Windows, 2005)
87		Age of Conan: Hyborian Adventures (Windows, 2008)
83		The Chronicles of Spellborn (Windows, 2008)
83		Asheron's Call 2: Fallen Kings (Windows, 2002)
61		The Elder Scrolls IV: Oblivion (Windows, 2006)
58		Dark Messiah: Might and Magic (Windows, 2006)
58		City of Villains (Windows, 2005)
57		City of Heroes (Windows, 2004)
56		The Lord of the Rings Online: Shadows of Angmar (Windows, 2007)
56		The Elder Scrolls III: Morrowind (Windows, 2002)
55		Richard Garriott's Tabula Rasa (Windows, 2007)
55		Gothic 3 (Windows, 2006)
54		Hard to Be a God (Windows, 2007)
54		Avencast: Rise of the Mage (Windows, 2007)
54		Fury (Windows, 2007)
54		Two Worlds (Windows, 2007)
54		Dungeon Lords (Windows, 2005)
53		Sacred 2: Fallen Angel (Windows, 2008)
53		Dungeon Runners (Windows, 2008)
53		Monster Hunter: World (Windows, 2018)
53		Risen (Windows, 2009)
52		Venetica (Windows, 2009)
52		Fallen Earth (Windows, 2009)
52		Numen: Contest of Heroes (Windows, 2009)
52		Lands of Lore: Guardians of Destiny (Windows, 1997)
52		Lands of Lore: Guardians of Destiny (DOS, 1997)
52		Star Wars: Galaxies - An Empire Divided (Windows, 2003)
51		Kingdoms of Amalur: Reckoning (Windows, 2012)
51		The Elder Scrolls: Arena (DOS, 1994)
51		The Elder Scrolls: Chapter II - Daggerfall (DOS, 1996)
51		Fable III (Windows, 2011)
51		Divinity II: Ego Draconis (Windows, 2010)
51		ArcaniA: Gothic 4 (Windows, 2010)
50		An Elder Scrolls Legend: Battlespire (DOS, 1997)
50		Viking Days (Windows, 2018)
50		Haldor (Windows, 2018)
50		Ultima IX: Ascension (Windows, 1999)
50		Lands of Lore III (Windows, 1999)
50		An Elder Scrolls Legend: Battlespire (Windows, 2015)
50		Two Worlds II (Windows, 2011)
50		The Deep Paths: Labyrinth of Andokost (Windows, 2016)
46		The Witcher (Windows, 2007)
45		Vampire: The Masquerade - Bloodlines (Windows, 2004)
44		The Elder Scrolls V: Skyrim (Windows, 2011)
40		Crimson Keep (Windows, 2018)
40		Eternal Lore (Windows, 2017)

Notes: Games similar to Guild Wars: Nightfall, Games like Guild Wars: Nightfall, ArenaNet, LLC, NCsoft - North America, Windows, Role-Playing, RPG, Fantasy, Action RPG, Persistent, 1st-person, Behind view, PC, Game Similarities.