5pb. is a Japanese video game development company known for creating visual novels and adventure games. Founded in 2005, it has gained popularity for its engaging storytelling and unique gameplay mechanics. The company is particularly recognized for its collaboration with Nitroplus on the Science Adventure series, which includes titles like Steins;Gate and Chaos;Head. In addition to visual novels, 5pb. has also developed games across various genres, including action and role-playing games. The company is part of the larger Mages group, which focuses on multimedia projects, including anime and manga adaptations of its games.