Interstellar Empires is described as 'Browser-based 4X strategy game where you build a base, research tech, use a unique symbol-based portal system and fight other players in ground and space battles. Alliances, asteroid mining, scouting, and real-time visible galaxy battles form the core of its progression and competition' and is an game in the games category. There are more than 10 games similar to Interstellar Empires for a variety of platforms, including Web-based, Windows, Android, iPhone and Mac apps. The best Interstellar Empires alternative is OGame, which is free. Other Interstellar Empires like games are HexaGalaxy, Space Agency, ScrumbleShip and Stellaron.