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.

Radioactivity Demo Events

8 announcements · from Radioactivity Demo’s Steam news feed

All gamesRead twice a day

Everything Updates1 In-game events2 Esports1 Community4

Community18 Feb 2026Dev Update - February 2026Work on Radioactivity resumed in December 2025 after a short break. And the pause was very useful, because Radioactivity now is very different (and better) than Demo or its EA versions. Total concept re-thinked, originally we started on the level of co-op, collect loot and get scared by monsters level. With, of course, very unique systems such as a procedural nature and dynamic radiation that a…

Published	Kind	Announcement	Build
3 May 2025, 09:17 UTC	Game update	Radioactivity Onboarding - v0.3.7 Minor updates and changes: · Training center tutorial prompts with keys guide · Improved Geiger counter animations and functionality	—
2 May 2025, 17:16 UTC	Community	Big Demo Update - Radioactivity Onboarding v0.3.6 Liquidators! A new big demo update is available now! I received lots of feedback over the last few weeks, and here is my response update for Radioactivity - Onboarding Demo: Why Reasonable - because until some feedback arrived, I thought many things were obvious. They were not. Changes · No more linear objectives - all demo objectives can be completed in any order (almost) · Watch update - play…	—
24 Apr 2025, 14:42 UTC	In-game event	☢️ Radioactivity - Onboarding v0.3.5 ☢️ Quick Demo Update: Patches v0.3.4 & v0.3.5 Deployed! Hey again, future Liquidators! Hope you're surviving the onboarding process! Thanks for jumping into the Early Demo and sharing your initial thoughts and bug reports – it's incredibly helpful. I've been busy "liquidating" some of the bugs and adding a few improvements over the last few days. Patches v0.3.4 and v0.3.5 are now live! Here’s a qu…	—
19 Apr 2025, 01:55 UTC	News	Radioactivity - Onboarding Demo is out now! ☢ Welcome to the Early Demo of Radioactivity! Hey future Liquidators! Big event and announcement! Radioactivity Onboarding - demo is finally out and free to play ! You must complete an onboarding process as a fresh candidate. Being a liquidator means getting your hands dirty with radioactive mess, literally! It's dynamic, it changes the nature around! It can harm you, of course, as well as muta…	—
31 Jul 2024, 22:00 UTC	Community	First Update from the Radioactivity Hello future Liquidators, Before you fill out your first safety form and are allowed to enter the zone, I would like to introduce you to the game first. Radioactivity In Radioactivity, you alone or with friends will step into the shoes of a Liquidator, a brave individual who helps the State find, collect, and dispose of radioactive waste. You'll also have opportunities to earn some income along…	—

Published

Kind

Announcement

Build

3 May 2025, 09:17 UTC

Game update

Radioactivity Onboarding - v0.3.7

Minor updates and changes: · Training center tutorial prompts with keys guide · Improved Geiger counter animations and functionality

—

2 May 2025, 17:16 UTC

Community

Big Demo Update - Radioactivity Onboarding v0.3.6

Liquidators! A new big demo update is available now! I received lots of feedback over the last few weeks, and here is my response update for Radioactivity - Onboarding Demo: Why Reasonable - because until some feedback arrived, I thought many things were obvious. They were not. Changes · No more linear objectives - all demo objectives can be completed in any order (almost) · Watch update - play…

—

24 Apr 2025, 14:42 UTC

In-game event

☢️ Radioactivity - Onboarding v0.3.5 ☢️

Quick Demo Update: Patches v0.3.4 & v0.3.5 Deployed! Hey again, future Liquidators! Hope you're surviving the onboarding process! Thanks for jumping into the Early Demo and sharing your initial thoughts and bug reports – it's incredibly helpful. I've been busy "liquidating" some of the bugs and adding a few improvements over the last few days. Patches v0.3.4 and v0.3.5 are now live! Here’s a qu…

—

19 Apr 2025, 01:55 UTC

News

Radioactivity - Onboarding Demo is out now!

☢ Welcome to the Early Demo of Radioactivity! Hey future Liquidators! Big event and announcement! Radioactivity Onboarding - demo is finally out and free to play ! You must complete an onboarding process as a fresh candidate. Being a liquidator means getting your hands dirty with radioactive mess, literally! It's dynamic, it changes the nature around! It can harm you, of course, as well as muta…

—

31 Jul 2024, 22:00 UTC

Community

First Update from the Radioactivity

Hello future Liquidators, Before you fill out your first safety form and are allowed to enter the zone, I would like to introduce you to the game first. Radioactivity In Radioactivity, you alone or with friends will step into the shoes of a Liquidator, a brave individual who helps the State find, collect, and dispose of radioactive waste. You'll also have opportunities to earn some income along…

—