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Astromine
Steam News 6 May 202614d ago

Demo Update 3!

Hey all - Our demo update is now out! This is a large update that breaks saved game compatibility, so if you do have a old save game and still want to play it can change branches to 'Old Demo' branch. We definitely don'…

Update log

Full Astromine update

The complete published notes, normalized for clean reading and source attribution.

Repeated intro

Hey all - Our demo update is now out!

Extracted changes

0 fixes7 additions3 changes0 removals
  • Compatibility
  • Workshop
  • UI and audio
  • Performance
  • Gameplay
  • Maps
changedThis is a large update that breaks saved game compatibility, so if you do have a old save game and still want to play it can change branches to 'Old Demo' branch. We definitely don't don't plan to break compatibility once we release to early access.
changedMining Tool now extracts from planet . Gathers Soil and Stone. Soil can be refined into into Silicon, Stone into Iron.
addedCompletely new UI
changedStart sequence of crash landing onto planet
addedLots of new buildable objects: Charcoal Kiln to generate coal from biomass, vehicles are now built on a Vehicle Station , Steel Smelter to create steel from iron and carbon
addedNew Chip upgrade system : Now earlier in tutorial/craft sequence. Chip upgrades are now permanent upgrades given to the player who crafted them. Upgrading Extractor Tool size+power is now the first upgrade and part of tutorial.

This is a large update that breaks saved game compatibility, so if you do have a old save game and still want to play it can change branches to 'Old Demo' branch. We definitely don't don't plan to break compatibility once we release to early access.

Also - we'll be showing Astromine at BitSummit in Kyoto Japan this year! If your there let us know.

Some major changes:

  • Complete tutorial + crafting overhaul. Less grind, quicker and streamlined. The enemy robot bases are also now there from the start.

  • Larger planets

  • Mining Tool now extracts from planet. Gathers Soil and Stone. Soil can be refined into into Silicon, Stone into Iron.

  • Automation: Can now connect stations together to automatically transfer between them. Power Auto Extractor stations beside plants/trees to continuously extract from them.

  • Completely new UI

  • Start sequence of crash landing onto planet

  • Lots of new buildable objects: Charcoal Kiln to generate coal from biomass, vehicles are now built on a Vehicle Station, Steel Smelter to create steel from iron and carbon

  • Boring Laser: For digging large holes into planets. It's also the only way to mine 'Titanium' now on Terra at north and south poles.

  • New Chip upgrade system: Now earlier in tutorial/craft sequence. Chip upgrades are now permanent upgrades given to the player who crafted them. Upgrading Extractor Tool size+power is now the first upgrade and part of tutorial.

  • Enemy bases now have a 'core' which starts a nuclear explosion on destroyed

  • New voxel data structure. For those of you interested in voxels, we did a large change how we store voxel data by moving to Brick Maps for quicker planet generation and loading.

  • Better Guide menu. Now has details on all craftables / materials, with wiki-style links between the pages.

  • Controls overhaul. Changed Map to M, Inventory to Tab, added shift clicking for easy inventory management.

  • Support for Epic Games Services online multiplayer (alongside Steam)

Let us know what you think in the Steam forums, or our Discord!

thanks!

- Lee

Source

Steam News / 6 May 2026

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