Sim Space Station

Put together a successful space station in the near future. Use modules to manage heat, electricity, and atmosphere in this new simulator!

Latest downloads: Windows (64-bit) | macOS (Intel and Apple Silicon) | Linux (64-bit)

Version History

0.6.2 - 7/5/2026

Download: Windows (64-bit) | macOS (Intel and Apple Silicon) | Linux (64-bit)

  • More back-end changes to make the game easier to extend.

    • Immediately this makes radiators report the actual heat radiated instead of always radiating the maximum a radiator can radiate.

  • Play mode module context menu now shows the rate of change for all resources with additional details in a tooltip.

  • Fixed an issue which caused the module problem tooltip to be shown inconsistently.

  • You can now press the spacebar to toggle pausing the game speed.

  • You can now press the escape key to toggle the menu.

  • Fixed heat and energy overview entries’ formatting when the rate was very small but negative.

  • Setting energy capacity under the contained amount now converts the excess energy to waste heat.

  • Batteries are now less efficient:

    • Only 90% of the energy going into the battery is stored and the other 10% is converted to waste heat.

    • Batteries now auto discharge. The higher the contained energy the higher the rate of auto-discharge. (increasing rapidly after 80% full)

0.6.1 - 6/28/2026

Download: Windows (64-bit) | macOS (Intel and Apple Silicon) | Linux (64-bit)

Big updates behind the scenes but shouldn’t have much visible effect on the game. For a long time the game was stuck on Unity 2022.3 for compatibility with an older version of the Entities package. For this release I tacked the many changes needed to migrate to new APIs and now the game uses Unity 6.5. Other changes include migrating to Unity’s new input system and migrating to Universal Render Pipeline which move the game off deprecated or soon-to-be-deprecated systems so future development can take advantage of new features in Unity. Behind-the-scenes the way module recipes (how I define resource use/production) are authored to be better and fixed an annoying issue where storage modules (like batteries) would internally have two buffers for resources - one for incoming resources and another for outgoing resources.

Like I said, the game should basically be the same except built using newer tech under the hood. The graphics may look slightly different dues to the changed render pipeline.

  • macOS builds are now notarized. (no more Gatekeeper bypass needed)

  • Updated to the latest version of Unity and supporting libraries.

0.6.0 - 2/8/2025

Download: Windows (64-bit) | macOS (Intel and Apple Silicon) | Linux (64-bit)

  • Added new resource and resource delivery systems.

  • Updated to the latest version of Unity and supporting libraries.

0.5.2 - 8/10/2023

Download: Windows (64-bit) | macOS (Intel and Apple Silicon) | Linux (64-bit)

  • Fixed visualization layers.

0.5.1 - 8/4/2023

Download: Windows (64-bit) | macOS (Intel) | Linux (64-bit)

  • Added analytics compliance UI to the main menu.

  • Fixed an issue where the communications module could never get enough energy to operate continuously.

  • Fixed an issue where the warning badge for a module could flicker when on the boundary of resource availability.

  • Updated Unity and supporting libraries. (big upgrade)

  • Add support for Apple silicon.

0.5.0 - 6/24/2023

Download: Windows (64-bit) | macOS (Intel) | Linux (64-bit)

  • Added new atmosphere modules: hydroponics and electrolysis.

  • Water can now be purchased into modules.

  • Major re-work for module recipes and resource transfer/storage.

  • Ensured UI functions down to 720p resolution.

  • Updated Unity and supporting libraries.

0.4.0 - 7/18/2022

Download: Windows (64-bit) | macOS (Intel) | Linux (64-bit)

  • Added new connector modules, including a curved module.

  • Added rotation controls which can be used when building or moving a module.

  • Added hotkeys to various tooltips.

  • Very large update to Unity and supporting libraries.

  • Added a credits screen.

0.3.0 - 6/6/2022

Download: Windows (64-bit) | macOS (Intel) | Linux (64-bit)

  • Added atmosphere simulation.

  • The starting station is now self-sustaining. (while atmosphere lasts)

  • Updated module warning UI and messages to be more helpful.

  • Fixed bugs, optimized various things.

  • Updated to the latest version of Unity and supporting libraries.

  • Known issues:

    • If the window aspect ratio is very wide then UI elements on the right side of the screen may become un-clickable.

0.2.0 - 1/5/2021

Download: Windows (64-bit) | macOS (Intel) | Linux (64-bit)

  • Added electrical simulation.

  • Updated to the latest version of Unity and supporting libraries.

0.1.0

Download: Windows (64-bit)

  • Initial Release.