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The fourth instalment in Sony's popular holiday simulation.
Also known as: Boku no Natsuyasumi 4: Seitouchi Shounen Tanteidan, Boku to Himitsu no Chizu, My Summer Holiday 4
Japan
July 2, 2009
Boku no Natsuyasumi 4 was released on July 2, 2009.
Boku no Natsuyasumi 4 is available on PlayStation Portable.
Boku no Natsuyasumi 4 was developed by Sony Computer Entertainment.