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You’re the sole technician on a solar system defense station in this atmospheric simulator. Manage resources and track celestial threats using a custom operating system’s interface. Navigate 250+ simulated planets, moons, and asteroids while figuring out a story delivered through fragmented emails, news snippets, and encrypted database logs. Your decisions determine whether laser strikes avert disasters or spiral into chaos. The game’s strength lies in its engaging OS design and methodical pacing. Players piece together lore from disjointed records while balancing system-wide risks. With a 2021 Solar Union patch adding improved physics models, the vast scale feels tangible. Launched in 2018 for PC and Mac, it remains a niche favorite among simulation fans. Linux support and low system requirements keep it accessible.
The year is 2221 and you are the lone technician aboard the Eye of Ra, an anti-asteroid space station orbiting Earth. It has been two decades since the Apep event caused widespread disturbances throughout the Solar System. Ancient orbital paths and gravitational partnerships were forever altered, and our centuries-old knowledge of them was rendered unreliable. The calculated, near-zero risk of an asteroid impact on an inhabited world suddenly became unknown. The Solar Union scrambled to recalculate the odds, to find lost objects before they could strike one of its five member worlds. Nuclear warheads were stockpiled and aimed at the skies of the Incorporated Planet of Mercury, the Republic of Mars, the Federation of Jupiter, and the Colonial Republic of Titan. Meanwhile, on Earth, they built something entirely new: the Ra laser. An orbital, Solar-powered cannon capable of reaching across the Solar System and removing kilometres-wide objects from existence. The power within the Eye of Ra defends us all from the modern asteroid threat. The Solar Union entrusts Earth with the protection of its member worlds, who in turn entrusts the Eye of Ra to one technician: you.
Game Modes
Single player
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