T-34/85 1944 wrote:when one purchases the full version, is an authentication key provided which can be entered into the game on a computer not connected to the internet?

Yes.

I have played Defcon on a LAN that cannot connect to the authentication server, with two purchased keys and two demo keys. As long as the keys are different, you do not need to connect to the authentication server to play as the full version - the game simply shows the status as 'unknown' for the pu...

In theory (I think) two people behind NAT can't connect to each other, unless they both forward ports through the NAT. I'm behind NAT (but have ports forwarded) and have hosted games which other people behind NAT have connected to so I'd recon there is a high chance that it's simply the servers not...

I have noticed that I cannot 'join' a good proportion of online games - perhaps 80% or more. What happens is that the game tries to connect multiple times and never gets past a 50% yellow progress bar. I suspect this is because I am behind an external firewall, using NAT. This means I can only conne...

The information in here isn't quite right. Despite what people think, you can authenticate and play the full version without internet access. Type in your full-game access key as normal. The authentication window will say "checking" which will never succeed since you don't have internet a...

I have purchased a key but I am unable to authenticate, presumably because my PC is behind a corporate firewall. The program says it is attempting to authenticate but never seems to get through. There is no way I can get the I.T. manager to open a port for this - has anyone found a way to successful...

I have tried the demo on my PC at home, as well as a PC at work. The file I used to install in both cases is identical, and both state their version as 1.0, "latest". Here's the bizarre thing - at work, Defcon says this on the main page: max demo game size: 2 players max demo players in an...