 Neku's partner on the top screen can be controlled by the player using the face buttons, although players can use options to have the computer assist them.Each of Neku's partners has a card game-based mechanic; for example, Shiki's card game requires the player to match face-down Zener cards.The partner can make a basic attack after the player navigates through a pathway of arrows to select one of several shown cards using the directional pad or face buttons.