How many people are playing Starstack Playtest right now?

Starstack Playtest is app 5501910 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Starstack Playtest?

0 concurrent players on 13 Nov 2026.

Starstack Playtest was released on Steam on 1 Nov 2026.

Every achievement on record

8 achievements

Humble Beginnings
Smelt your first iron plate.
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Hands-Free Operation
Produce 100 iron plates with automated ore input and plate output.
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Back Among the Stars
Repair and launch the Sentinel.
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For Science!
Complete the Shipyard research project.