70		Once and Future (Windows, 1998)
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44		Zork: The Undiscovered Underground (Windows, 1997)
44		The New Castle (DOS, 1999)
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		Das Stundenglas (DOS, 1990)
40		Legacy of the Necromancer: Part III - The Dark Tower (DOS, 1989)
40		The Usurper: The Mines Of Qyntárr (DOS, 1989)
40		Adventure in the Magic Land (DOS, 1989)
40		Castle Elsinore (DOS, 1992)
40		Adventure in Humongous Cave (DOS, 1993)
40		Pentari: First Light (DOS, 2003)
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40		Versus: The Elite Trials (Windows, 2016)
40		Generic Adventure 551 (DOS, 1990)
40		Venom (DOS, 1987)
40		Search for the Ultimate Weapon (Windows, 2008)
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40		Choice of Romance: Affairs of the Court (Windows, 2016)
40		The Sea Eternal (Windows, 2016)
40		ADV770 (Windows, 2008)
40		Spectrum Adventure (Windows, 2007)
40		Pentari: First Light (Windows, 2003)
40		The Dreamhold (Windows, 2005)
40		Spellcaster: The Forgotten Spell (Windows, 2014)
40		The Hermit's Secret (DOS, 1982)
40		Enchanter (DOS, 1983)
40		The Pawn (DOS, 1986)
40		Philosopher's Quest (DOS, 1987)
40		Shard of Inovar (DOS, 1987)
40		Wishbringer (DOS, 1985)
40		Nine Princes in Amber (DOS, 1985)
40		Sorcerer (DOS, 1984)
40		Dragonworld (DOS, 1984)
40		Spellbreaker (DOS, 1985)
40		Adventure (DOS, 1987)

Notes: Games similar to Once and Future, Games like Once and Future, Cascade Mountain Publishing, Cascade Mountain Publishing, DOS, Adventure, Fantasy, Interactive Fiction, Text Adventure, TADS, PC, Game Similarities.