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 12 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 4 hours ago · not a live figure

—of peak

All-time peak

12 Sep 2026

Steam user reviews · waiting for the first store poll

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SteamPeaks Rating

New

Needs ten reviews

Positive share

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Last 30 days

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No reviews in the last 30 days

Played before writing

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Sampling starts with the review poller

Reviews per day

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From Valve’s daily histogram

How sentiment moved · share of new reviews that were positive

Awaiting the histogram

Not enough samples yet. The line appears once a few readings are in.

Positive shareReviews writtenLifetime shareDrag across the chart to zoom · double-click to reset

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Radioactivity Demo Reviews · SteamPeaks

Radioactivity Demo

Radioactivity Demo

Who is reviewing

Review history