A player is a islander on equatorial line. A Space elevator has bullt in your island, and you switched from a farmer to a merchant. Now, you should trade cargos from universe to grow affluent. Each turn, the player locates 2 falling down carges what on choosen column vertically. If same color cargos connect 4 or more, these cargo come into port, then dealed out by players. Therefore, player can build buildings by paying cost(= 1 cost equals to 1 cargo). You can use special capability of these buildings. Finally, The player who gains most cargos is winner.