Find the Steam hidden gems
Games like Fragile Allegiance
A single-player space 4X strategy game combining fleet combat, resource gathering, colony management, and espionage, with a roughly 9-hour campaign.
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Find the Steam hidden gems
A single-player space 4X strategy game combining fleet combat, resource gathering, colony management, and espionage, with a roughly 9-hour campaign.
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
A challenging single-player 4X RTS space sim about commanding and customizing a fleet, controlling stations, and investigating a dark supply station; reviewers logged ~9-hour campaigns.
2023-08-23
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.
2024-08-15
A single-player turn-based sci-fi strategy game of space exploration and base building, featuring quick-to-play scenarios and a deeply engaging strategy that reviewers spent roughly 21 hours with.
2025-08-20
A dense turn-based space strategy where you colonize planets, research tech, and battle or deal with alien races, with reviewers often sinking hundreds of hours into it.
2016-02-25
A feature-complete space 4X strategy bundle with empire building, diplomacy, and combat, offering around 18-25 hours of varied play.
2011-12-02
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
