Great discussion. Regarding "isolation"... I strongly prefer to find my real-life friends in-game and play with them. For me, that is most of the fun. If you made a game (any game) and told me, "Here's this amazing multiplayer game, but you have to play it with strangers, and it is exceptionally difficult or unlikely to find your real-life friends in the game." I would say, "No thanks." Even if that's the reality of a sudden apocalypse scenario, it's not the game I want to play. My wife also would never touch a game where it was difficult or unlikely, by design, to play it with me. Some in this thread have suggested that it is antisocial to play with real-life friends, because it tends to shut out potential random socialization. I disagree, because playing with friends is another form of socialization. One is not better or worse than the other. What's really happening in Day Z, in my opinion, is that once you have a group of a certain size, the "safety in numbers" survival need is satisfied, and the risk of adding strangers starts to outweigh the reward. If you want survivors to interact more, I don't think isolation from out-of-game friendships is the right answer. Rather, you should look carefully at the risk/reward of "safety in numbers." I've often wondered... what if the zombies were a real, serious threat? How would that change the social dynamic? ("I could kill/ignore this newly spawned player, but I might be overwhelmed by zombies. I can't take them alone.") You can also provide players with a wide spectrum of tools and activities suited to different levels of socialization. Forced isolation, though, does not sound good to me.