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 6 Sep 2026.

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

BetaApp ID 4,288,530Released 7 Jul 2026

Windows · macOSEngine —

App ID4,288,530

Release date7 Jul 2026

Engine—

Install size650 MB

TypeBeta

Last update29 Dec 2025

Steam Deck—

DLC0

Developer—

Changenumber38,618,227

Price—

Packages0

Publisher—

SystemsWindows · macOS

Followers—

Depots3

Horizon Sandbox Playtest

Steam user reviews

Not enough reviews yet

0 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

Last seen

Sampled 5 hours ago · not a live figure

—of peak

All-time peak

6 Sep 2026

Store fields that changed

0 changes

No store changes recorded since the first observation.

Horizon Sandbox Playtest Store History · SteamPeaks