Build and manage a network of space stations.

Space Station Designer is a construction and management game that puts you in charge of creating and expanding a network of space stations in Earth and Lunar orbits.

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An ambitious goal

Establish and manage a network of space stations in Earth and Lunar Orbits.

Build the Lunar Space Elevator.

An immersive Campaign

Enjoy a 40+ hour Campaign that introduces the various game rules via a series of Objectives before switching to a Contracts system.

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A challenging Sandbox mode

Skip the Objectives of the Campaign and embark on a challenging Sandbox mode that gives you challenging Contracts to fulfil from day one.

Get creative!

For a more relaxed experience, fire up the Free Builder and assemble space station modules and resupply spacecraft in imaginative ways.

A vast range of building blocks

With nearly 200 space station modules to choose from across 15 categories, the sky is far from the limit!

Crew management

Hire and manage Astronauts. Send them to training, make them proficient in unique Special Skills, and keep their morale high.

Location, location, location

Start your first station in Low Earth Orbit (LEO), and then slowly expand your reach to Geosynchronous Orbit (GSO), the Lagrange Point 2 (L2), and beyond.

Stay in the loop

Subscribe to our mailing list and get the latest development news delivered to your inbox!

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Maintenance

Keep you station healthy by assigning Astronauts to Maintenance duties.

Resupply Spacecraft

Transport Supplies, Raw Materials and Astronauts from the Earth to the stations using a wide range of Resupply Spacecraft.

Research Tree

Conduct Research activities and unlock new technologies from a vast Research Tree comprising nearly 60 unique technologies.

Revenue Streams

Maintain a healthy balance sheet by engaging into revenue-generating activities, including Modules Leasing, Commercial Services, Space Tourism, and lucrative Contracts.

Industrial R&D

Deploy Industrial R&D modules and unlock especialized technologies that can be commercialized in multiple ways.

Earth Facilities

Build a supporting infrastructure of buildings on Earth that augments your capabilities across multiple areas.

Modding Support

Space Station Designer features robust modding support.

Use our sample mods to kickstart your own creations!

VISIT THE MODDING WEBSITE IN MOD.IO

Gallery

Dev Diaries

Learn more about the mechanics behind Space Station Designer from our Dev Diaries.

Dev Diary #1 - Introduction to Space Station Designer - Part I of II

Dev Diary #3 - The station in Low Earth Orbit (LEO) - Part I of VII

Dev Diary #10 - Stations in Higher Earth Orbits - Part I of II

Dev Diary #12 - The Lunar Orbit Station - Part I of II

© 2015-2026 Polar Motion. Published by Slitherine Ltd. All rights reserved.

Space Station Designer and its logos are all trademarks of Polar Motion.

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