77		Ultima Underworld: The Stygian Abyss (DOS, 1992)
76		Ultima Underworld II: Labyrinth of Worlds (DOS, 1993)
72		Ultima Underworld: The Stygian Abyss (Windows, 2014)
70		Ultima Underworld II: Labyrinth of Worlds (Windows, 2014)
68		Descent to Undermountain (Windows, 1997)
68		Descent to Undermountain (DOS, 1997)
44		Rol Crusaders (DOS, 1995)
44		Anvil of Dawn (DOS, 1995)
44		Amulets & Armor (DOS, 1997)
42		Counter Spell (Windows, 2015)
41		VR Dungeon Knight (Windows, 2017)
41		Sword of Moonlight (Windows, 2000)
41		Zanzarah: The Hidden Portal (Windows, 2002)
40		The Afterwoods (Windows, 2017)
40		Prevent the Fall (Windows, 2017)
40		Obitus (DOS, 1991)
40		Novus Inceptio (Windows, 2015)
40		Verlies II (Windows, 2015)
40		Runes of Brennos (Windows, 2015)
40		Anvil of Dawn (Windows, 2013)
40		Knights of the Temple II (Windows, 2005)
40		Ravensword: Shadowlands (Windows, 2013)
40		Gothic 3: Forsaken Gods (Windows, 2008)

Notes: Games similar to DeathKeep, Games like DeathKeep, Lion Entertainment Inc., Strategic Simulations, Inc., Windows, Action, Role-Playing, RPG, Fantasy, 1st-person, Dungeons & Dragons, D&D, AD&D, Dungeon Crawler, PC, Game Similarities.