“PALEON”, a board game with PvP tactics made in Japan, has already sold more than 340,000 sets. In this game, you are a paleontologist who can pass through time by the time machine. You visit different eras in the Prehistory and collect the various cards of primitive life forms. When you come back to the present time, you submit these rare card you collected to “the Paleontological Society”. The player who submit the RAREST card at one meeting wins and be promoted to one higher rank as a paleontologist. When you are promoted 4 times at meetings from the lowest rank ‘a student’, you become ‘a professor’ in the end and wins the game.