Boku no Natsuyasumi 4 Seitouchi Shounen Tanteidan, Boku to Himitsu no Chizu

Compatible with Sony PSP™
Official Site


Release date: Jul. 02 2009
Genre: Action
Version: Japanese

Features:
Latest version of Boku no Natsuyasumi series comes in PSP finally.
Free to spend the summer vacation for a month.
Enjoy the stage which have 5 islands and 3 seas between the islands floating in Island Sea 1980's.
Also there are power-up factors. "Insect Sumo" techniques of insect increase a lot, free 'picture diary',
collecting"Insect" and ancient treasure map, and the like.
Depending on how deep you play games, you can get a medal more.
Future of main character changes according to the numbers of medals you got!