There is actually kingdom hearts birth by sleep for the psp, kingdom hearts chain of memories for the gameboy advance, and this, for the ds. Here is a description of the game i got from wikia, since im bad at explaining stuff >,< 358/2 Days features the action role-playing game style of the previous games in the series.[9] To accomplish this, the game makes minimal use of the system's touch screen functionality, and it is possible to play and complete the game without using it at all.[10] The game includes single player and multiplayer modes of play.[1][11] The single player mode is story-based, focused on Disney worlds from past games, and progresses in days.[6] In single player mode, the player controls Roxas, the game's main protagonist, who is accompanied by other Organization XIII members.[12] The two modes are linked in that character growth is shared between them.[10]