Help： Player 1：↑up，↓down，←left，→right，空格 attack。 Player 2：鼠标控制(Controled by mouse)。 Player 3：W up，S down，A left，D right，Q attack。 Player 4：I up，K down，J left，L right，U attack。 Player 5：F up，C down，X left，V right，Z attack。 Player 6：H up，N down，B left，M right，G attack。
