72		Cosmos Remake (Windows, 2007)
70		Tommy's Starball (DOS, 1986)
70		FastTracker 2 (included game) (DOS, 1994)
44		Trino (Windows, 2011)
44		This Little Piggy - Gallery Version (Windows, 2009)
44		This Little Piggy (Windows, 2009)
42		Multiplex (DOS, 2007)
42		Pirates: Battle for the Caribbean (Windows, 2007)
40		Jump 'n Bump (DOS, 1998)
40		Command Adventures: Starship (DOS, 1993)
40		Tommy's Blob (DOS, 1986)
40		Gravity Well (Windows, 1997)
40		CyberDome! (Windows, 1996)
40		Aliants: The Desperate Battle For Earth! (DOS, 1988)
40		Rescue (DOS, 1990)

Notes: Games similar to Gain Ground, Games like Gain Ground, SEGA Enterprises Ltd., SEGA Corporation, Windows, Action, Strategy, Tactics, Fantasy, Sci-Fi, Futuristic, Arcade, Real-Time, Top-down, Fixed, Flip-screen, PC, Game Similarities.