Astro Empires
Real-time space empire strategy with bases, fleets and alliances, running since 2006.
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What it is
Astro Empires is a long-running real-time space strategy browser game in which you develop bases on planets and asteroids, research, build fleets and fight across a galaxy map alongside your alliance. It launched in 2006 - the site marked twenty years in May 2026 - and still opens new servers, with 'Cosmos' announced in September 2026. The game is free with an optional paid account upgrade and is offered in about 17 languages.
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If you like Astro Empires
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Planet-building space strategy with alliances and fleet battles across several universes.
Graphical space trading and combat in real time, rationed by action points that refill over the day.
Real-time space strategy in numbered rounds: colonise planets, design ships and war as clans.