Periapsis: Eclipse
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About Periapsis: Eclipse
Periapsis: Eclipse puts you in command of a ship in the Exiled Empire’s Vanguard Fleet. Your mission is to break the defenses of entrenched rival powers, clearing the way for the full invasion fleet and the Emperor’s return.
Orbital combat
Moons, ships, projectiles and scrap all follow orbital mechanics. You use the physics of space in combat, turning radiation, magnetic fields, atmospheric drag and debris to your advantage for attack or defense.
Ship systems
Equip your ship with lasers, coilguns, particle beams and point defense systems inspired by real-world weapons concepts. More than 50 ship upgrades let you develop different strategies. You also manage the fission reactor’s control rods, coolant and radiator panels to remove waste heat and optimize your ship’s systems.
Sensors and targeting
Use in-depth sensor mechanics to manipulate infrared heat signatures, track targets, find firing solutions and evade enemy targeting.
Dynamic campaign
The campaign follows the Exiled Empire’s war of reconquest, with new challenges, adventures and decisions in each playthrough. Choose your route through the warzone to secure vital upgrades and resources for your strike group.
Frequently asked questions
The best price for Periapsis: Eclipse is $14.99 at Steam. It is the only shop with an offer that activates in your country.
The minimum requirements for Periapsis: Eclipse are: Windows 10, GeForce GTX 1070, Intel Core i7, 2 GB RAM, 1 GB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Periapsis: Eclipse is a single-player game.
No. Valve rates Periapsis: Eclipse as Unsupported on the Steam Deck.
Yes. Periapsis: Eclipse is the full base game. You need nothing else to play it.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











