Taking in count that mayans were the best astronomers of all the history... The meteor theory is the most plausible .It's possible that they calculated the trajectory of some particular meteor in the space, and knew it was going to impact that year and that day. Un saludo.
I vote for the Camp 1: "Sophisticated". It's simply more... realistic. I have always thought that "more realism" = "more fun" (specially in strategic and rpg games). The more complicated a system is, the more variables are possible. With more possible variables, more different strategycs are available... and the game becomes more... interesting. It's like the difference between "chess" and "checkers". In the chess are more different pieces with different movements and that giv