You can earn pocket money by running errands for townspeople or harvesting vegetables for the local supermarket.
Different bugs and fish appear at specific times: morning, noon, and dusk (when the sky turns orange). File: Shin.Chan.Summer.Vacation.v1.0.zip ...
Some rare creatures only appear during the second or third "week" of the endless loop. You can earn pocket money by running errands
Early on, you receive a camera from Professor Akuno that turns your photos into drawings for your diary. File: Shin.Chan.Summer.Vacation.v1.0.zip ...
Collect dinosaur figurines to participate in a rock-paper-scissors style battle game with other kids in town. Pro-Tips for Completionists
Right-click the folder and select "Extract All."