Board Thread:Battle Nations Discussion/@comment-9515294-20130513175848/@comment-4632427-20130521215600

There seems to be a stealth event going on. Critter invasions with unusually high Teeth drop rates have been appearing in large numbers in my base for the last day or so. Now would be the time to stock up on teeth, I suppose.

As for badges, are you referring to Achievements and Z2 Points? If you are, then it's basically a shared currency among all Z2Live games to encourage players to dabble in all games even if they're only interested in one. Haciendas are the best use for them in Battle Nations, though you'll probably need to play Trade Nations for a while to get enough points to build any.