Chou Soujuu Mecha MG - Platform: Nintendo DS Multiplayer mode: ----------------- In order to gain access to the multi-cart multiplayer mode of this game, you must complete mission number 39. All Mecha's: ------------ You have to do this on a clean cartridge, so with no save on it. When your typing your name, in the default alphabet type the top left 3 times, then the bottom left 3 times.