47		Timequest (DOS, 1991)
46		Frederik Pohl's Gateway (DOS, 1992)
44		Gateway II: Homeworld (DOS, 1993)
43		Die Höhlenwelt Saga: Der Leuchtende Kristall (DOS, 1994)
42		Star Trek: First Contact (DOS, 1988)
41		Frederik Pohl's Gateway (Windows, 1995)
40		Deliver Us the Moon: Fortuna (Windows, 2018)
40		Doctor Who: The Adventure Games (Windows, 2014)
40		Amazon (DOS, 1984)
40		Rendezvous with Rama (DOS, 1985)
40		Alien (DOS, 1982)

Notes: Games similar to Intergalactic Bar Mans Pub Crawl, Games like Intergalactic Bar Mans Pub Crawl, DOS, Adventure, Sci-Fi, Futuristic, Puzzle elements, PC, Game Similarities.