Released Sep 29, 2006 $11.99 Very Positive Counts toward your Steam games

DEFCON

By Introversion Software

Strategy Singleplayer Simulation War Indie Multiplayer TacticalCold WarPvPMilitaryRTSWargame

Track this game Steam page

Followers 5,681

Reviews 3,508 Very Positive

Players yesterday 8 at the busiest moment

Owners 200K–500K estimated

DEFCON is a game tagged Strategy, Singleplayer and Simulation by Introversion Software, released Sep 29, 2006. It has 3,508 Steam reviews (Very Positive). It has an estimated 200K–500K owners on Steam. The Steam games most like it include First Strike, 战地指挥官/Battleboom and 8-Bit Invaders!.

Inspired by the 1983 cult classic film, Wargames, DEFCON superbly evokes the tension, paranoia and suspicion of the Cold War era, playing on the fascinating aspects of psychological gameplay that occur during strategic nuclear warfare.

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<a href="https://launchrivals.com/games/1520-defcon"><img src="https://launchrivals.com/games/1520/badge.png" alt="DEFCON launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/1520-defcon"><img src="https://launchrivals.com/games/1520/badge.png?theme=light" alt="DEFCON launch date" width="320" height="84"></a>

First Strike 72% match · Strategy, Singleplayer, Simulation
战地指挥官/Battleboom 72% match · Strategy, Singleplayer, Simulation
8-Bit Invaders! 71% match · Strategy, Singleplayer, Simulation
Precipice 70% match · Strategy, Singleplayer, Simulation
ORDNIX 70% match · Strategy, Singleplayer, Simulation
ModernFire 69% match · Strategy, Singleplayer, Simulation
Codename: Panzers - Cold War 69% match · Strategy, Singleplayer, Simulation
Combat Mission Fortress Italy 67% match · Strategy, Singleplayer, Simulation
Invasion Machine 66% match · Strategy, Singleplayer, Simulation
Close Combat: Modern Tactics 64% match · Strategy, Singleplayer, Simulation

Steam data

Everything Steam lists for DEFCON · record updated 16 hours ago

Steam store

Overview

App ID1520

Release dateSep 29, 2006Early Access Sep 29, 2006

Last change number40109602

Last record update16 hours ago

App type: Game
Developer: Introversion Software
Publisher: Introversion Software
Steam profile: Counts toward game count and achievement totals · checked Nov 1, 2025
Metacritic: 84
Website: everybody-dies.com
Links: YouTube

Language	Interface	Full audio	Subtitles
English	Yes
French	Yes
German	Yes
Italian	Yes
Spanish - Spain	Yes

Windows macOS Linux

Steam Deck: Playable

Single-playerMulti-playerPvPOnline PvPLAN PvPCo-opOnline co-opLAN co-opCross-platform multiplayerSteam AchievementsFamily Sharing

Prices

Price · US$11.99

On sale0 of 41regions right now

Lowest seen · US$11.99Oct 26, 2026

Checked18 hours agoin 41 regions

SwitzerlandCHF

Every price change is kept from Oct 26, 2026 on. Pick a region below to compare.

Patches

Build	Branch	Updated
25390430	public	Sep 18, 2026
25390430	beta	Sep 18, 2026
15579130	legacy	Sep 8, 2024
4370575	previous	Jan 21, 2024

Packages & DLC

ID	Name	Games	Price (US)
156	DEFCON	1	$11.99
14325	DEFCON + Soundtrack	1	$12.99
14002	Introversion Classics Pack	4	$29.99
1905 Bundle	Introversion Game Bundle	3	$23.22
15181 Bundle	The Cold War Bundle	4	$43.31

ID	Name	Price (US)
1528	Not on the store yet	—
1535	Not on the store yet	—

Depots

ID	Name	Systems	Size	Download	Manifest
1521	—	Windows	130.2 MB	124.0 MB	2443966290036242809
1524	—	Linux	136.6 MB	125.7 MB	1245621141676759622
1527	—	macOS	147.5 MB	129.1 MB	6968455457298929266

Branch	Build	Updated	Access
public	25390430	Sep 18, 2026	Open
beta Public Beta	25390430	Sep 18, 2026	Open
legacy Defcon 1.62	15579130	Sep 8, 2024	Open
previous Previous default branch	4370575	Jan 21, 2024	Open

Configuration

Install foldersteamapps/common/Defcon

Executable	Systems	Description
defcon.exe	Windows	Default
DEFCON.app	macOS
run_steam.sh	Linux
1.64/Defcon.app	macOS	Legacy Version of DEFCON (2012)
1.62/Defcon.exe	Windows	Legacy Version of DEFCON (2012)
1.62/run_steam.sh	Linux	Legacy version of DEFCON (2012)

Screenshots

Data from public Steam pages, updated daily; 3 days of history. Owner counts are estimates. LaunchRivals is not affiliated with Valve or Steam.

DEFCON

About DEFCON

Steam data

Overview

App info

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Prices

SwitzerlandCHF

Americas 10

Europe 5

CIS 4

Asia-Pacific 15

Middle East & Africa 7

Patches

Builds

Packages & DLC

Packages

DLCs

Depots

Depots

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Configuration

Launch options

Screenshots