Puzzle Bobble 4 is a puzzle game released by Taito in 1997. It is the fourth game in the Puzzle Bobble series, featuring a new gameplay and graphics. The game introduces a new feature, where the player can collect bubbles of different colors and use them to create chains and combos. The game also has a story mode, where the player can choose from eight characters and follow their journey through different worlds, each with a boss at the end. The game also has a puzzle mode, where the player can play 1000 pre-made puzzles, and a versus mode, where the player can compete against the computer or another player.