Pachio-kun 4 is a pachinko game developed by C-Dream and published by Coconuts Japan. It was released in Japan on November 22, 1991. The game features a single-player mode and is the fourth installment in the Pachio-kun series. The player controls a character named Pachio-kun and plays pachinko machines to earn coins. The game features a total of 72 machines to play on. The game received mixed reviews upon release.