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Download Version 1.4.3

System Requirements


Intel or PowerPC G4 or better, Mac OS X 10.3.9 or later

Free Trial Limitations

When using the software during the evaluation period, please be aware of the following limitations. These restrictions are removed once you have purchased DEFCON and entered your License Code.

  • Can't host games from more than 2 players
  • Can't use mods

What’s Next?

1. Install DEFCON

Open the downloaded file, and follow the instructions.

2. Enjoy It Free For 30 Days

Try before you buy! Evaluate DEFCON in trial mode for 30 days.

3. Like It? Purchase A License

Register DEFCON by following the instructions displayed at launch.