Puzzle Bobble Galaxy

As with the previous games in the Puzzle Bobble series, the player controls a pointer on the bottom of the screen (with either the gamepad or Taito's paddle controller) that shoots differently-colored bubbles upwards. The object is to shoot bubbles at other bubbles of the same color at the top of the screen. When a group of three or more bubbles that touch each other are formed, then that group disappears. The objective is to clear the screen of all bubbles. (wiki)