45		Once and Future (DOS, 1998)
45		Once and Future (Windows, 1998)
44		The New Castle (DOS, 1999)
44		Leyendas de Lhodrye: Arakhas el Oscuro (DOS, 1997)
44		Zork: The Undiscovered Underground (Windows, 1997)
44		Leyendas de Lhodrye: La Luz del Druida (DOS, 1997)
42		Die Höhlenwelt Saga: Der Leuchtende Kristall (DOS, 1994)
42		To Be or Not To Be (Windows, 2015)
40		Legacy of the Necromancer: Part I - The Adventurers' Museum (DOS, 1989)
40		Myth (DOS, 1989)
40		Zork Zero: The Revenge of Megaboz (DOS, 1989)
40		Advanced Xoru (DOS, 1989)
40		Legacy of the Necromancer: Part II - The Palace of the Necromancer (DOS, 1989)
40		Adventure in the Magic Land (DOS, 1989)
40		Legacy of the Necromancer: Part III - The Dark Tower (DOS, 1989)
40		The Usurper: The Mines Of Qyntárr (DOS, 1989)
40		Das Stundenglas (DOS, 1990)
40		Versus: The Elite Trials (Windows, 2016)
40		Adventure in Humongous Cave (DOS, 1993)
40		Pentari: First Light (DOS, 2003)
40		Fire From Heaven (DOS, 2005)
40		Sorcerer of Claymorgue Castle (DOS, 1993)
40		A Journey Into Xanth (DOS, 1993)
40		The Awe-Chasm (DOS, 1991)
40		Castle Elsinore (DOS, 1992)
40		Lancelot (DOS, 1988)
40		Generic Adventure 551 (DOS, 1990)
40		Venom (DOS, 1987)
40		ADV770 (Windows, 2008)
40		Search for the Ultimate Weapon (Windows, 2008)
40		Alabaster (Windows, 2009)
40		Choice of Romance: Affairs of the Court (Windows, 2016)
40		Azada: Ancient Magic (Windows, 2008)
40		Spectrum Adventure (Windows, 2007)
40		Pentari: First Light (Windows, 2003)
40		Dracula: Love Kills (Windows, 2011)
40		The Dreamhold (Windows, 2005)
40		Spellcaster: The Forgotten Spell (Windows, 2014)
40		The Sea Eternal (Windows, 2016)
40		The Hermit's Secret (DOS, 1982)
40		The Pawn (DOS, 1986)
40		Philosopher's Quest (DOS, 1987)
40		Legend of the Sword (DOS, 1987)
40		Shard of Inovar (DOS, 1987)
40		Wishbringer (DOS, 1985)
40		Nine Princes in Amber (DOS, 1985)
40		Enchanter (DOS, 1983)
40		Sorcerer (DOS, 1984)
40		Dragonworld (DOS, 1984)
40		Spellbreaker (DOS, 1985)
40		Adventure (DOS, 1987)

Notes: Games similar to 4K Adventure, Games like 4K Adventure, Patchwork Algorithms, DOS, Adventure, Fantasy, Interactive Fiction, Text Adventure, Puzzle elements, PC, Game Similarities.