72		Hegemonia: The Solon Heritage (Windows, 2003)
53		The 3rd Millennium (Windows, 1998)
47		Sid Meier's Alpha Centauri (Windows, 1999)
42		Deadlock: Planetary Conquest (Windows, 1996)

Notes: Games similar to Imperium Galactica II: Alliances, Games like Imperium Galactica II: Alliances, Digital Reality Software Kft, Infogrames, Inc., Windows, Simulation, Strategy, Tactics, Sci-Fi, Futuristic, 4X, Managerial, Business Simulation, Isometric, PC, Game Similarities.