I agree that this is an extremely enjoyable game. I personally would love to see it stay year-round, but with a different "skin." Perhaps "Spider Survival," where the spiders throw cobwebs at people. I can't think of many mobs that would have something to throw, like the snowmen and snowballs. A bit of a stretch, but maybe skeletons shooting bows that have a much longer draw time, although this one doesn't sound as fun since arrows are a lot more accurate. Blazes would be interesting to see, ghasts too, and they could shoot fireballs with a slow travel speed. Besides there, I can't think of anything, but even if these are all terrible ideas, I'm sure the developers could come up with something creative. Maybe some of these could even be different game types for voter options.