How many people are playing Radioactivity Demo right now?

Radioactivity Demo is app 3434810 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Radioactivity Demo?

0 concurrent players on 11 Sep 2026.

When was Radioactivity Demo released on Steam?

Radioactivity Demo was released on Steam on 18 Apr 2025.

Status

SteamPeaks

Radioactivity Demo

DemoApp ID 3,434,810by Synthetic Mind Corp.Released 18 Apr 2025

WindowsEngine —

View on SteamSteamCompare

App ID3,434,810

Release date18 Apr 2025

Engine—

Install size3.21 GB

TypeDemo

Last update11 Jun 2025

Steam Deck—

DLC0

DeveloperSynthetic Mind Corp.

Changenumber38,807,749

Price—

Packages0

PublisherSynthetic Mind Corp.

SystemsWindows

Followers—

Depots1

Compare this game

Radioactivity Demo

Synthetic Mind Corp.
Released 18 Apr 2025·App 3434810

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

Last seen

Sampled 2 hours ago · not a live figure

—of peak

All-time peak

11 Sep 2026

Full details

Everything about Radioactivity Demo

Export CSVUpdated 11 Sep 2026, 22:54 UTC

Identity

Name

Radioactivity Demo

App ID

3,434,810

Type

Demo

Developer

Synthetic Mind Corp.

Publisher

Synthetic Mind Corp.

Franchise

—

Availability

Release date

18 Apr 2025

Last update

11 Jun 2025, 15:47 UTC · 15 months ago

Last changenumber

38,807,749

Early Access

Family sharing

Eligible

Store page

None

Prices

Radioactivity Demo Full Details · SteamPeaks