How many people are playing Mirror OST right now?

Mirror OST is app 844190 on Steam. Player counts appear once the tracker has sampled it.

When was Mirror OST released on Steam?

Mirror OST was released on Steam on 19 Apr 2018.

Mirror OST

No announcements yet · from Mirror OST’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.