70		Kurt's Spaced Invaders (DOS, 1995)
70		Invaders 1978 (DOS, 1996)
70		Invader Attack (Windows, 2010)
70		Cheesy Invaders (DOS, 1994)
44		Round 42 (DOS, 1986)
42		Fuzzy Worm (DOS, 1982)
42		Bugs! (DOS, 1982)
40		RETRO 4 (Windows, 2008)
40		Galacta: The Battle for Saturn (DOS, 1992)

Notes: Games similar to Space Commanders II, Games like Space Commanders II, DOS, Action, Arcade, Shooter, Fixed-screen shoot 'em up, PC, Game Similarities.