How many people are playing Monstrum Opus Playtest right now?

Monstrum Opus Playtest is app 5137830 on Steam. Player counts appear once the tracker has sampled it.

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

0 concurrent players on 10 Sep 2026.

When was Monstrum Opus Playtest released on Steam?

Monstrum Opus Playtest was released on Steam on 6 Sep 2026.

Monstrum Opus Playtest News

No announcements yet · from Monstrum Opus Playtest’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.