Introversion Software
DEFCON
At a glance
Genres
- real-time strategy
- strategy video game*
Play modes
- co-op mode
- single-player video game
- multiplayer video game
Game facts
Developers
- Introversion Software
Publishers
- Introversion Software
Platforms
Players by platform
- Microsoft Windows*
- Maximum players (mode unspecified)
- 4*
Content classifications
- ESRB · Microsoft Windows*
- Classification
- T - Teen*
Compatibility and community reports
- Linux · Community reports · 2026-06-27*
- Community Linux compatibility tier
- Gold*
- Reports
- 12*
- Community confidence
- moderate*
- Steam Deck · 2026-06-27*
- Compatibility category
- Playable*
System requirements
- macOS · Unspecified tier*
- Operating system
- OS X version Leopard 10.5.8, Snow Leopard 10.6.3, or later.*
- Processor alternatives
- Intel Core Duo 1.66GHz+*
- Memory
- 1GB of RAM*
- Graphics alternatives
- 64MB of video memory*
- Linux · Unspecified tier*
- Processor alternatives
- 1.8 Ghz*
- Memory
- 1Gb*
- Graphics alternatives
- 64Mb of memory*
- Storage
- 70Mb*
- Windows · Recommended*
- Requirements
- Windows XP, P3-600-Geforce 2, 128 Mb RAM, 60 Mb Hard Disk, Internet connection for multiplayer games*
- Windows · Minimum*
- Processor alternatives
- Intel Pentium III 600 MHz*
- Graphics alternatives
- Nvidia GeForce 2*
Steam version platforms
- Windows*
- Supported
- Yes*
- macOS*
- Supported
- Yes*
- Linux*
- Supported
- Yes*
Interface languages
- English*
- French*
- German*
- Italian*
- Spanish - Spain*
Game features
- Single-player*
- Multi-player*
- PvP*
- Online PvP*
- LAN PvP*
- Co-op*
- Online Co-op*
- LAN Co-op*
- Cross-Platform Multiplayer*
- Steam Achievements*
- Family Sharing*
Store genres
- Indie*
- Strategy*
Screenshots
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* Provisional data