93		Leather Goddesses of Phobos (DOS, 1986)
72		Bureaucracy (DOS, 1987)
64		Planetfall (DOS, 1983)
64		Suspended (DOS, 1983)
63		Starship Columbus (DOS, 1986)
63		Starcross (DOS, 1982)
62		Stationfall (DOS, 1987)
60		Code 7 (Windows, 2017)
52		Countdown to Doom (DOS, 1987)
52		Fallen Hero: Rebirth (Windows, 2018)
51		Solus (DOS, 1988)
51		MetaHuman Inc. (Windows, 2015)
51		Return to Doom (DOS, 1988)
50		Welcome to Moreytown (Windows, 2017)
50		Creatures Such as We (Windows, 2017)
50		Intergalactic Life (DOS, 2002)
50		The Punk Allen Trilogy (DOS, 2001)
50		Reckless Space Pirates (Windows, 2017)
50		Scoop Da Poop (DOS, 2001)
50		Your Bum is Talking (DOS, 2001)
50		Choice of the Cat (Windows, 2017)
50		Rent-a-Vice (Windows, 2018)
50		The Martian Job (Windows, 2018)
50		Jinxter Revived (Windows, 2019)
50		Silverworld (Windows, 2018)
50		The Hero Project: Open Season (Windows, 2018)
50		Thaumistry: In Charm's Way (Windows, 2017)
50		T-Rex Time Machine (Windows, 2017)
50		Tally Ho (Windows, 2017)
50		Lifeline (Windows, 2017)
50		Elves '87 (DOS, 1993)
50		A Wise Use of Time (Windows, 2015)
50		Versus: The Lost Ones (Windows, 2015)
50		Choice of the Petal Throne (Windows, 2015)
50		The Misadventure of the Holy Grail (DOS, 1993)
50		The Away Team (Windows, 2016)
50		The ORPHEUS Ruse (Windows, 2015)
50		Sir Ramic Hobbs and the High Level Gorilla (DOS, 1994)
50		Pick up the Phone Booth and Die (DOS, 1996)
50		Wraith Blaster (DOS, 1993)
50		Whatever We Decide to Call this Game (DOS, 1993)
50		Tamoret: The Adventure to the Fourth Dimension (DOS, 1995)
50		Pork I: The Great Underground Sewer System (DOS, 1991)
50		Diabolical (Windows, 2015)
50		Infinite Universe (Windows, 2014)
50		Softporn Adventure (DOS, 1991)
50		Psy High (Windows, 2014)
47		Fahrenheit 451 (DOS, 1984)
46		Zork: The Great Underground Empire (DOS, 1982)
46		Rendezvous with Rama (DOS, 1985)
44		Frederik Pohl's Gateway (DOS, 1992)
44		A Mind Forever Voyaging (DOS, 1985)
43		Gateway II: Homeworld (DOS, 1993)
42		Plundered Hearts (DOS, 1987)
42		Frederik Pohl's Gateway (Windows, 1995)
40		Starship Titanic (Windows, 1998)
40		A Midsummer Night's Choice (Windows, 2016)
40		Hadean Lands (Windows, 2016)

Notes: Games similar to The Hitchhiker's Guide to the Galaxy, Games like The Hitchhiker's Guide to the Galaxy, Infocom, Inc., Infocom, Inc., DOS, Adventure, Sci-Fi, Futuristic, Interactive Fiction, Text Adventure, Comedy, Text-based, Spreadsheet, Space station, Spaceship, PC, Game Similarities.