Crazy Arcade (Korean: 크레이지 아케이드) is a free Korean online multiplayer game developed by Nexon. It has offered up to five different game modes throughout its history: Bomb and Bubbles (BnB), Tetris, Hidden Catch, Dizzy Pang, and Bz. However, the latter four were eventually removed from the game. BnB, which takes on the classic Bomberman series, adds its own twist to the game by replacing Bomberman's bombs with water balloons.