Bz is one of the five games offered by the Korean version of Crazy Arcade at some point in its history. It is the fifth to have been introduced, following BnB, Tetris, Hidden Catch, and Dizzy Pang. Bz featured the same ranking system as all the other games in its line.
Bz is a puzzle game. The player can use either the mouse or keyboard controls to play the game.
Bz does not feature any characters from the other games in Crazy Arcade, instead introducing an animate yellow ball-like creature.
Players could purchase avatar items in Shop.