How many people are playing DEFCON right now?

DEFCON is app 1520 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of DEFCON?

358 concurrent players on Dec 2012.

When was DEFCON released on Steam?

DEFCON was released on Steam on 29 Sep 2006.

Status

SteamPeaks

DEFCON

GameApp ID 1,520by Introversion SoftwareReleased 29 Sep 2006

Playing now

All-time peak

358

09:29 UTC · 3 Nov 2026steampeaks.com

App ID1,520

Release date29 Sep 2006

Engine—

Install size414 MB

TypeGame

Last update18 Sep 2026

Steam DeckPlayable

DLC0

DeveloperIntroversion Software

Changenumber40,109,602

Price$11.99

Packages3

PublisherIntroversion Software

SystemsWindows · macOS · Linux

Followers5,681

Depots3

Compare this game

DEFCON

Introversion Software
Released 29 Sep 2006·App 1520

Steam user reviews

Very Positive

87.4%· 4.4K reviews

Recent Very Positive · 90%

SteamPeaks Rating

85.8 Very positive

Recent 30 days 78.6

How it works

Last seen

Sampled 28 minutes ago · not a live figure

—of peak

All-time peak

358

Dec 2012

PICS config · launch options

Configuration

0 launch options

No configuration keys.

DEFCON Configuration · SteamPeaks