Buy Ephemeris PC

Ephemeris is free to play! Download it on Steam and start playing instantly.

Release: Coming Soon
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About Ephemeris

Ephemeris - about the game
Guide your civilization across a vast galaxy in this turn-based space strategy game blending empire management with real-time combat. Explore procedurally generated maps, claim planets, and handle production of food, minerals, research, and credits through streamlined tools that cut down on micromanagement. Unlock tech from a randomized tree shared by all species, then design ships with hulls, shields, drives, and weapons for physics-simulated 3D battles featuring fighters to massive battleships. Diplomacy opens paths to victory, but fleets deliver decisive strikes when talks break down. Each playthrough shifts with fresh tech paths and species traits, demanding adaptive tactics in exploration and fights. Fans of classic 4X strategy and dynamic space combat find a replayable mix here on PC.



Guide your civilization to epic victory in Ephemeris, the upcoming turn-based space war strategy game with RTS style combat. Ephemeris draws inspiration from some of the genre’s classics like Master of Orion and Homeworld, and brings them together with some unique and new features, like physics-based combat and a randomly generated tech tree. The strategy side has been streamlined to minimise the need for micromanaging the details. Explore the huge galaxy and spread your civilization onto the planets – before anyone else does. Unlock new technologies, design your own spaceships and use diplomacy to reach your goals. If the peaceful approach fails, show them what your spaceships are made of and unleash your fleets upon the enemies! Ephemeris offers a unique and highly replayable gaming experience.

Unique space combat
The space combat in Ephemeris is in real time and fully three-dimensional. Huge size differences between the smallest fighters and the biggest battleships as well as the physically simulated movement give the combat a very distinct and cool look. Ships are designed by using parts unlocked from the technology tree. Choose hulls, shields, power sources, drives and weapons with different mounting types to design the ships your civilization needs.

Streamlined empire management
The turn-based strategy layer is designed to be fast paced but still have depth. With lots of automatic optimisation, you only have to worry about the most important parts of empire management. This keeps the game manageable even in the late stages and allows you to enjoy one playthrough from start to finish.

Randomly generated tech tree
The tech tree for one playthrough is randomly generated and common for all civilizations – players get to explore the hidden tech just like they explore the galaxy map. Players have to be ready for different approaches in galaxy exploration as well as in combat. This means that there is a lot of variation in the progression of the game between each playthrough, as you cannot always rely on your favourite strategy.
Labour of love
Ephemeris is a passion project started by a solo developer. If you have any questions or feedback or if you would like to express your support, our Discord server is the right place to share them. That’s where you’ll also find the news and updates about the project. Join our Discord today and get ready to command your own fleet!
Features:
  • Turn-based empire management
  • Explore a randomly generated galaxy
  • Fully 3D real-time space combat with simulated physics
  • Design ships using the technology discovered by your civilization
  • Different species with their own traits
  • Randomly generated tech tree ensures that each playthrough is fresh, new and vastly different.
  • Manage production of four different resources (food, minerals, research and credits)
  • Unique tools to effectively manage your empire
Interface:
English
Subtitles:
English

Age rating

Unavailable

Minimum:

  • OS: Windows 10 64-bit/Windows 11 64-bit
  • Processor: Intel i5-6600/AMD Ryzen 5 1600X
  • Memory: 12 GB RAM
  • Graphics: Nvidia GTX 1060/AMD RX 480/Intel ARC A380
  • Storage: 40 GB available space
  • Additional Notes: OpenAL Compatible Sound Card

Recommended:

  • OS: Windows 10 64-bit/Windows 11 64-bit
  • Processor: Intel i5-9600K/AMD Ryzen 5 3600X
  • Memory: 16 GB RAM
  • Graphics: Nvidia GTX 1080 TI/AMD RX5700/Intel ARC A580
  • Storage: 40 GB available space
  • Additional Notes: OpenAL Compatible Sound Card
Historical low
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FAQ

8 questions

Before you start looking for a cheap Ephemeris key, check the essentials. Developed by YrdVaab. Published by YrdVaab. PC released date: Coming Soon. Genres: Action, Strategy, Indie, Simulation. Categories: Family Sharing, Single-player.

Q

Where to buy a cheap Ephemeris Steam key?

Ephemeris is free to play! Download it on Steam and start playing instantly.

Ephemeris is completely free on Steam. No purchase needed - just download and play. If you are looking for premium DLC or in-game items, check the offers table above.

Our price tracker covers both official retailers and key marketplaces, so you can find Ephemeris on sale even outside seasonal promotions. We currently detect 0 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, Ephemeris is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

Yes. Ephemeris has an official page on the Steam Store, but we currently don't track any third-party offers with Steam DRM. Check back later or set a price alert.

Not at this time. Valve marks Ephemeris as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.

Ephemeris does not appear to be available on PC Game Pass, EA Play, Ubisoft+ or any other PC subscription service at this time. Your only option is purchasing the game - use XD.deals to find the best price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best Ephemeris deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

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