Mega Man ZX Advent (2007)
Mega Man ZX Advent is an action-packed game for the Nintendo DS. Players follow two heroes, Grey and Ashe, as they search for answers to a chaotic war between humans and robots. With the dynamic Biometal system at its core, players can switch back and forth between forms including eight bosses with unique abilities. The game offers various ways of fighting bosses in order to win rewards such as nearly 24 different items. It also features co-op or head-to-head wireless play (two cartridges required) as well as a downloadable mini game (one cartridge required).