61		The Great Machine (DOS, 2005)
61		The Great Machine (Windows, 2005)
50		VariTale (DOS, 1987)
45		A Dark and Stormy Entry (Windows, 2001)
45		Gun Mute (Windows, 2008)
43		Las llaves del tiempo (DOS, 1999)
42		Timequest (DOS, 1991)
42		Frederik Pohl's Gateway (DOS, 1992)
41		Gateway II: Homeworld (DOS, 1993)
40		Hippy's Quest I: PEACE MAN (DOS, 1990)
40		Star Trek: First Contact (DOS, 1988)
40		The Twilight Zone (DOS, 1988)
40		Guardians of Infinity: To Save Kennedy (DOS, 1988)
40		Projekt Prometheus (DOS, 1991)
40		The Snow Queen (DOS, 1993)
40		Versus: The Elite Trials (Windows, 2016)
40		The Star Portal (DOS, 1988)
40		Demoniak (DOS, 1991)
40		Supernova (DOS, 1987)
40		Planetfall (DOS, 1983)
40		Amazon (DOS, 1984)
40		Alien (DOS, 1982)
40		Starcross (DOS, 1982)
40		Project Delta (Windows, 2008)
40		Judge Dredd: Countdown Sector 106 (Windows, 2015)
40		Star Trek: The Kobayashi Alternative (DOS, 1985)
40		Dopplegänger (DOS, 1985)
40		Star Trek: The Promethean Prophecy (DOS, 1986)
40		Frederik Pohl's Gateway (Windows, 1995)
40		Rendezvous with Rama (DOS, 1985)
40		Nine Princes in Amber (DOS, 1985)
40		The Adventures of Buckaroo Banzai: Across the Eighth Dimension (DOS, 1985)
40		Stationfall (DOS, 1987)

Notes: Games similar to Kingdom Without End, Games like Kingdom Without End, DOS, Adventure, Sci-Fi, Futuristic, Interactive Fiction, Text Adventure, TADS, Choose-Your-Own-Adventure, PC, Game Similarities.