Boku no Natsuyasumi Portable is a simulation adventure game for the PlayStation Portable. Players assume the role of Boku, a 9-year-old boy spending August 1975 in the Japanese countryside while his mother prepares for childbirth. The game emphasizes exploration and features various activities such as bug catching, kite flying, and relaxing, reflecting the joys of summer vacation.
The game revolves around Boku, a 9 year old boy sent to his aunt and uncle in Japan's wooded countryside and the daily adventures he encounters there. Boku is there because his Mother is in her final month of pregnancy. The player controls him for the 31 days of August 1975 (In Japan, a Summer Vacation, called natsuyasumi last for one month). You explore the game's area and can catch bugs and pit them against each other, collect bottle caps, fly a kite, or just relax.