65		Armageddon Empires (Windows, 2007)
64		Commanders: Attack of the Genos (Windows, 2008)
64		Future Wars (Windows, 2010)
63		Mayhem Intergalactic (Windows, 2007)
63		Sword of the Stars II: Lords of Winter (Windows, 2011)
63		Battle Isle 2200 (DOS, 1994)
61		Frozen Synapse 2 (Windows, 2018)
61		Battle Isle (DOS, 1991)
60		Fireteam 2200 (DOS, 1991)
60		Daleks (DOS, 1985)
60		Imperial Space Command (DOS, 1986)
60		Imperium (Windows, 2015)
60		Battles of Destiny (DOS, 1992)
60		Space Marines: Der stählerne Kaiser (DOS, 1995)
60		Nectaris (DOS, 1995)
60		Advanced Strategic Command (DOS, 1998)
60		Kto spotka UFO (DOS, 1994)
60		Laserwars (DOS, 1994)
60		Space Conflict (DOS, 1993)
60		Power: The Game (Windows, 1995)
60		Stelcon 2469 (DOS, 1992)
60		Battle Isle '93 - The Moon of Chromos (DOS, 1993)
60		Laser Squad (DOS, 1992)
60		Frozen Synapse: Prime (Windows, 2014)
60		Daleks (Windows, 2002)
60		Crimson Fields (Windows, 2001)
60		Em@il Games: X-COM (Windows, 1999)
60		Crush! Deluxe (Windows, 1997)
60		The Last Federation (Windows, 2014)
60		Advanced Strategic Command (Windows, 2001)
60		Star Traders 4X: Empires in Exile (Windows, 2014)
54		Frozen Synapse (Windows, 2011)
53		Massive Assault Network 2 (Windows, 2006)
52		Star Hammer: Tactics (Windows, 2012)
51		MissionForce: CyberStorm (Windows, 1996)
51		Leviathan: Warships (Windows, 2013)
51		Massive Assault Network (Windows, 2004)
50		Dune III (DOS, 1995)
50		Gaiflame (Windows, 2017)
50		Star General (Windows, 1996)
50		Star General (DOS, 1996)
50		Cyberstorm 2: Corporate Wars (Windows, 1998)
50		Alien River (DOS, 2017)
50		Firezone (DOS, 1988)
50		Renegade Legion: Interceptor (DOS, 1990)
50		Sid Meier's Starships (Windows, 2015)
40		Power Dolls (DOS, 1995)
40		Power Dolls 2 (Windows, 2016)
40		Ginga Eiyū Densetsu V (Windows, 1998)
40		Power Dolls (Windows, 1997)

Notes: Games similar to Alien Assault, Games like Alien Assault, Windows, Strategy, Tactics, Sci-Fi, Futuristic, Turn-based, Top-down, PC, Game Similarities.