How many people are playing Horizon Sandbox Playtest right now?

Horizon Sandbox Playtest is app 4288530 on Steam. Player counts appear once the tracker has sampled it.

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

0 concurrent players on 12 Sep 2026.

When was Horizon Sandbox Playtest released on Steam?

Horizon Sandbox Playtest was released on Steam on 7 Jul 2026.

Horizon Sandbox Playtest News

No announcements yet · from Horizon Sandbox 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.