83		Sid Meier's Civilization III (Windows, 2001)
73		Sid Meier's Alpha Centauri (Windows, 1999)
71		Deadlock: Planetary Conquest (Windows, 1996)
40		Sword of the Stars (Windows, 2006)

Notes: Games similar to Demise of Nations, Games like Demise of Nations, Noble Master LLC, Noble Master LLC, Windows, Simulation, Strategy, Tactics, 4X, Turn-based, Bird's-eye view, Isometric, PC, Game Similarities.