
Games like Sins of a Solar Empire II
An expansive space-based real-time 4X strategy with diplomacy, trade, and influence mechanics, long playtimes (median ~69 hours), and generally positive reviews despite some AI-art and modding complaints.
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An expansive space-based real-time 4X strategy with diplomacy, trade, and influence mechanics, long playtimes (median ~69 hours), and generally positive reviews despite some AI-art and modding complaints.

A deep space strategy title focused on empire building, with dozens of races, diplomacy, espionage, tech research, and ship customization, offering both solo and co-op play.
2015-05-14

A large-scale futuristic RTS with army command, base building, and resource management, offering single-player campaigns and multiplayer co-op, known for its time-intensive strategic depth.
2016-11-10

A starship action RPG with procedural galaxy generation, real-time combat, and co-op, praised for its dynamic alien conflicts but noted for a low ship speed cap.
2021-10-20

A turn-based 4X sci-fi strategy game of planetary politics and hex-grid warfare across land, sea, air, and space, with deep modding and multiplayer that can absorb dozens of hours.
2025-04-04

A single-player turn-based 4X space strategy about exploring, colonizing, and fighting or negotiating across alien factions, with a satisfying 'one more turn' loop and generally positive but slightly mixed reception.
2017-01-19