DEFCON System Requirements

DEFCON System Requirements (2021) - full specs, system checker and the gaming PC setup you need: Can I Run DEFCON?

DEFCON minimum requirements

  • Memory: 4 GB
  • Graphics Card: NVIDIA GeForce 510
  • CPU: Intel Core 2 Duo E8400
  • File Size: Unknown
  • OS: Unknown

Unknown system requirements

Automatically test your computer against DEFCON system requirements. Check if your PC can run the game with our free, easy-to-use detection tool or enter your system manually.


Provided that you have at least an NVIDIA GeForce 510 graphics card you can play the game. To play DEFCON you will need a minimum CPU equivalent to an Intel Core 2 Duo E8400. DEFCON system requirements state that you will need at least 4 GB of RAM.

DEFCON will run on PC system with and upwards. Additionally it has Mac and Linux versions.

Looking for an upgrade? Try our easy to use DEFCON set up guides to find the best, cheapest cards. Filter for DEFCON graphics card comparison and CPU compare. We'll help you find the best deal for the right gear to run the game.

DEFCON Mac OS system requirements (minimum)

  • Memory:1 GB
  • Graphics Card:ATI FireGL T2-128
  • CPU:Intel Core Duo L2400
  • File Size:Unknown
  • OS:OS X version Leopard 10.5.8, Snow Leopard 10.6.3, or later.

DEFCON Linux system requirements (minimum)

  • Memory:1 GB
  • Graphics Card:ATI FireGL T2-128
  • CPU:Intel Pentium 4 1.80GHz
  • File Size:70 MB
  • OS:Unknown

Looking for ready made system? We have 1407 laptop computers in our database that can run DEFCON. We take over 794 gaming laptops under $1000. Check our full compare laptops chart for the right systems or these best deals we've picked out below.

DEFCON System Requirements

Player Count

16 Players
(Last 24 Hours)

Review Score

84 / 100


Via Steam


Introversion Software


Introversion Software


Strategy Indie

DEFCON Release Date

29th of September 2006

DEFCON PC price today:


DEFCON cheap deals:

The PCGB price tracker can try to predict the next official Steam DEFCON discount. The last offer was a 75% saving on the 23rd of December 2020.

What is DEFCON?

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. You play a General hidden deep within an underground bunker.