Edgeworld is described as 'The year is 2711. The unstable coalition of the Galactic Union has started to colonize the abandoned alien planet of Cerulea IV. The planet's inhabitants, the Ceruleans, mysteriously vanished. Without a common enemy, the Union splintered into warring factions' and is a RTS game in the games category. There are nine games similar to Edgeworld for a variety of platforms, including Windows, Android, Mac, Web-based and Linux apps. The best Edgeworld alternative is Sins Of A Solar Empire. It's not free, so if you're looking for a free alternative, you could try Planet Capture or Homeworld Complex . Other Edgeworld like games are Homeworld, Nexus: The Jupiter Incident, Haegemonia Legions of Iron and Imperium Galactica II Alliances.