44		Mission Supernova (DOS, 1994)
44		Commander Blood (DOS, 1994)
44		Andromedas Erbe (DOS, 1994)
44		3D Trek (DOS, 1992)
43		Aliens: A Comic Book Adventure (DOS, 1995)
43		Blackstar: Agent of Justice (DOS, 1995)
42		NET:Zone (Windows, 1996)
42		Meltdown (DOS, 1990)
42		NET:Zone (DOS, 1996)
42		Obsidian (Windows, 1997)
41		The Arrival (Windows, 1997)
40		Tacoma (Windows, 2017)
40		Water Planet (Windows, 2017)
40		The Alpha Device (Windows, 2018)
40		Batman: Arkham VR (Windows, 2017)
40		Acalius: Enemies of the Wild (Windows, 2005)
40		Biosys (Windows, 1999)
40		Captain Blood (DOS, 1988)
40		Verde Station (Windows, 2014)
40		The Infinite Ocean (Windows, 2004)

Notes: Games similar to Flies: Attack on Earth, Games like Flies: Attack on Earth, Ego Software, Softgold Computerspiele GmbH, DOS, Adventure, Sci-Fi, Futuristic, 1st-person, PC, Game Similarities.