How many people are playing Horizon Sandbox Playtest right now?

Horizon Sandbox Playtest has 0 players on Steam right now, with a 24-hour peak of 0 and an all-time peak of 0 on 8 Sep 2026.

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

0 concurrent players on 8 Sep 2026.

When was Horizon Sandbox Playtest released on Steam?

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

Status

SteamPeaks

Horizon Sandbox Playtest

BetaApp ID 4,288,530Released 7 Jul 2026

Windows · macOSEngine —

View on SteamSteamCompare

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

Compare this game

Horizon Sandbox Playtest

Released 7 Jul 2026·App 4288530

Steam user reviews

Not enough reviews yet

0 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Playing now

+0 vs. yesterday

—of peak

All-time peak

8 Sep 2026

Update cadence · public branch

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PICS live

253 days

Since last public build

29 Dec 2025, 19:44 UTC

—

Median interval

Pattern appears after five builds

Builds in 30 days

0 with patch notes · 0 unannounced

—

Downloaded in 30 days

Quiet · no builds in 30 days

All 2 builds since 2025 · UTC

When it ships

Click a cell to filter the builds table

0369121518

Horizon Sandbox Playtest Patches · SteamPeaks

Horizon Sandbox Playtest

Builds

All public nightly

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
4 Sep 2026	Fri	23:35	No patch notes · unannounced build	25134357	nightly	3	—
29 Dec 2025	Mon	19:44	No patch notes · unannounced build	21338839	public	3	—

public branch · shipped todayother branchwide buildhas patch notes

Showing 2 of 2 builds · Δ is the compressed download for the public branch, available once the depot worker runsLoad older builds

Horizon Sandbox Playtest

When it ships

Horizon Sandbox Playtest

When it ships

Patch notes

Builds