5pb. is a Japanese publisher with roughly 85 titles whose reputation rests heavily on the Steins;Gate visual novel series, one of the most acclaimed works in the medium. Steins;Gate, Steins;Gate 0, and Steins;Gate Elite each explore the same time-travel narrative from different angles, giving the franchise unusual depth. Beyond the Steins;Gate universe, the label has also backed action games like Phantom Breaker: Battle Grounds.