Bubble Bobble: Double Shot - Nintendo DS All the original Bubble Bobble game mechanics. Meet Bubu, the new character joining Bub and Bob! 100++ levels in single-player Unique color change dynamic Dual screen game play with innovative touch screen mini games Special co-op mode which means that 2 players can work together All the original Bubble Bobble game mechanics. Meet Bubu, the new character joining Bub and Bob! 100++ levels in single-player Unique color change dynamic Dual screen game play with innovative touch screen mini games Special co-op mode which means that 2 players can work together