Master the art of pin-throwing in the addictive online web game, BU! Aim, release, and score as you navigate through unique levels. This game is super simple and fun but is also super challenging. Are you ready to play one of the best skill-based game? Throw your pins to a turning planet. Move your cursor or finger to adjust the aiming direction of the pin. Click or tap to release a pin. The pin will travel in a straight line in the direction you aimed. Make sure your pins don't collide with other pins already on the screen. Collisions will end the level.