It's been a massive uphill struggle, but I've finally got the multiplayer system for DF3D finished (both co-op and PvP). Chances are there are still a few minor bugs and glitches to iron out, and I also need to spend a day or two improving the security measures of the new system. But other than that it's pretty much ready to go. It's taken me literally 5 times longer than I anticipated, but I think it's been more than worth it. The quality of multiplayer is about 100x better than you get in 2D Dead Frontier.
I was originally planning to release the 3D inner city to everyone as soon as multiplayer was ready (ie in a day or two). However I've decided that the game is as it stands is a little too empty to be released as a realistic replacement for 2D. There are still a lot of features missing that whilst not strictly essential, are going to make the game very hard and impractical to play in any meaningful way (for example, huge city + no personal outposts just isn't going to be playable). In addition to this we only have basic zombie enemies programmed, which means the experience is going to be a little on the bland side.
So, my new plan is to simply skip this demo release and instead focus my attention on getting the game to a more enjoyable state. Yes this will mean another delay, but probably not as long as you're imagining. I believe I can have a decent version of the game launched on or slightly after the 20th of this month. And just to clarify that will be for everyone.
P.S And no, Duke Nukem Forever is definitely not going to beat DF3D to release!