| Developer: | Millennium Kitchen |
| Publisher: | Sony Computer Entertainment |
| Genre: | Adventure |
| Modes: | Single-player |
| Platforms: | PlayStation 2, PlayStation Portable |
is a video game developed by Millennium Kitchen and published by Sony Computer Entertainment for the PlayStation 2. It is part of the popular Boku no Natsuyasumi series and was released in Japan on July 11, 2002. It is an alternate universe sequel in which the main character spends his summer in a different part of Japan from the first game. It takes place during the same summer with many of the same characters, but in a different location, a town on Japan's southern coast. A PlayStation Portable version was released on June 24, 2010, and a fan translation of the PlayStation 2 game into English was released on November 1, 2023.
The main character spends his summer vacation at his aunt and uncle's bed and breakfast in a southern Japanese coastal town. Features from the first game, like collecting and bug battles, return, along with new facets, like swimming. The player controls the main character for the thirty-one days of August 1975.
On release, Famitsu magazine scored the game a 33 out of 40.[1] The game was a jury recommended title at the 6th Japan Media Arts Festival in 2002.[2]
In Japan, sales of Boku no Natsuyasumi 2 surpassed 250,000 copies after only 17 days on shelves.[3]