How many people are playing Mission: ISS right now?

Mission: ISS is app 4112660 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Mission: ISS?

2 concurrent players on 14 Sep 2026.

When was Mission: ISS released on Steam?

Mission: ISS was released on Steam on 11 Dec 2025.

Mission: ISS

No announcements yet · from Mission: ISS’s Steam news feed

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This developer has not posted announcements to Steam, or we have not read their feed yet.

Announcements are the developer’s own posts to the game’s Steam news feed: updates and their patch notes, in-game events, releases and sales. The important ones are marked on the players chart.