Bubble Bobble Revolution (バブルボブルレボリューション, Baburu Boburu Reboryūshon) is a Nintendo DS game released in Europe in 2006. It is a puzzle game based on the classic Bubble Bobble arcade game. Players take control of Bub and Bob, the two dragon brothers, and help them navigate through a series of levels by popping bubbles and avoiding enemies. The game features four game modes: Story Mode, Time Attack, Puzzle Mode, and Versus Mode. In Story Mode, players progress through the game's levels, unlocking new characters, items, and levels. Time Attack challenges players to clear levels as quickly as possible. Puzzle Mode is a series of puzzles that test players' skills and reflexes. Versus Mode allows up to four players to compete against each other in local or online multiplayer. Bubble Bobble Revolution is a fun and challenging game that will keep players entertained for hours.