43		Kingdom Without End (DOS, 2001)
42		Timequest (DOS, 1991)
42		Frederik Pohl's Gateway (DOS, 1992)
41		Gateway II: Homeworld (DOS, 1993)
41		Frederik Pohl's Gateway (Windows, 1995)
40		Guardians of Infinity: To Save Kennedy (DOS, 1988)
40		The Star Portal (DOS, 1988)
40		The Twilight Zone (DOS, 1988)
40		Demoniak (DOS, 1991)
40		Versus: The Elite Trials (Windows, 2016)
40		Projekt Prometheus (DOS, 1991)
40		Stationfall (DOS, 1987)
40		Star Trek: First Contact (DOS, 1988)
40		Supernova (DOS, 1987)
40		Planetfall (DOS, 1983)
40		Alien (DOS, 1982)
40		Starcross (DOS, 1982)
40		Gun Mute (Windows, 2008)
40		Amazon (DOS, 1984)
40		Star Trek: The Kobayashi Alternative (DOS, 1985)
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		Dopplegänger (DOS, 1985)
40		Star Trek: The Promethean Prophecy (DOS, 1986)

Notes: Games similar to Las llaves del tiempo, Games like Las llaves del tiempo, DOS, Adventure, Sci-Fi, Futuristic, Interactive Fiction, Text Adventure, PC, Game Similarities.