DEFCON
Introversion Software · released Sep 29, 2006
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.
Price
-70%$8.99
$29.99
Reviews
87%
3,512 · Very Positive
Playing now
12
sampled 15h ago
24h peak
12
all-time seen 14
Followers
—
Steam community hub
Owners (est.)
~211K
105K – 337K
YouTube activity
7
videos · 30 d19
creators5.8M
views · 1 yTwitch activity
0
avg viewers · 30 d3
hours watched · 30 d2
streamers · 30 dProduct info
from Steam's PICS · read 7h ago- Change number
- 40,912,629 · seen 7h ago
- Public build
- 25,390,430 · Sep 18, 2026 (1mo ago)
- Operating systems
- windows, macos, linux
- Architecture
- —
- Install size
- 435 MB · 397 MB download
- Install folder
Defcon- Controller support
- —
- Metacritic
- 84
- Homepage
- www.everybody-dies.com/
- Release state
- —
- Community
- hub · stats
Steam Deck
PlayableTested Aug 29, 2025 on build 15,579,130
- !Controller glyphs do not match deck device
- !Text input does not automatically invokes keyboard
- ✓Default controller config fully functional
- ✓Interface text is legible
- ✓Default configuration is performant
Branches · 4
every build Steam serves for this app| Branch | Build | Updated | Description |
|---|---|---|---|
| public | 25,390,430 | Sep 18, 2026 · 1mo ago | |
| beta | 25,390,430 | Sep 18, 2026 · 1mo ago | Public Beta |
| legacy | 15,579,130 | Sep 8, 2024 · 2y ago | Defcon 1.62 |
| previous | 4,370,575 | Jan 21, 2024 · 2y ago | Previous default branch |
Build history
every build id we have seen on a branch (history starts with our first read)| Build | Branch | Released | First seen |
|---|---|---|---|
| 25,390,430 | public | Sep 18, 2026 14:40 | 3d ago |
| 25,390,430 | beta | Sep 18, 2026 14:38 | 3d ago |
| 15,579,130 | legacy | Sep 8, 2024 11:23 | 3d ago |
| 4,370,575 | previous | Jan 21, 2024 17:22 | 3d ago |
Depots · 3
content of the public branchLaunch options · 6
| Executable | OS | 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) |
Languages · 5
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| French | ✓ | — | — |
| German | ✓ | — | — |
| English | ✓ | — | — |
| Italian | ✓ | — | — |
| Spanish | ✓ | — | — |
Packages · 3
all packagesBundles · 2
all bundles| Bundle | Games | Bundle discount | Price |
|---|---|---|---|
| Introversion Game Bundle | 5 | -25% | $34.90 |
| The Cold War Bundle | 5 | -15% | $61.15 |
DLC in product info · 2
includes DLC not sold separatelyChange numbers
all changes#40,912,629 · 7h ago#40,910,172 · 8h ago#40,848,514 · 1d ago
Updates · patch notes
Steam announcements tagged as patch notes, linked to the public build they followed
| When | Note | Build | Update size |
|---|---|---|---|
| Sep 18, 2026 | 1.70.3 Bug Fixes The renderer fallback now also covers the window being recreated, such as a resolution or renderer change, rather than only Defcon starting up. HDR for Metal (MacOS) and Vulkan (Windows, Linux) no longer creates corrupted and garbled screenshots. World messages such as launch alerts no longer stay on screen over the menu after you leave a game. The lobby window now appears as soon as you |
25,390,430 | 414.4 MB total |
| Sep 11, 2026 | Update Notes for 1.70.2 1.70.2 Bug Fixes Fixed a crash on startup, and when pressing Apply in the Mods window, caused by mods whose gameoptions.txt leaves a blank line where a text settings default value belongs. Fixed a crash on startup for anyone with extracted main.dat files in their Defcon folder whose names differ only in capitalisation from the originals. A missing font file no longer closes the game, Defcon falls |
— | — |
| Sep 8, 2024 | Update for Mac OS X 10.13 and later. Make Mac OS X 10.13 build the default. Should resolve "damaged and can't be opened" issue on recent Mac OS X. |
— | — |