Escape Game: Summer House is a free iPhone game developed by Hayate Hasegawa. The game challenges players to tap on various areas of interest to investigate. Players can select items by tapping on them and then tapping on the desired location to use them. Items can be zoomed in by tapping on them twice, and some items can be combined when used together.

For players who get stuck, hints can be accessed from the MENU button in the top left corner of the screen. The game also includes useful features such as auto-save, the ability to toggle background music and sound effects, and a map for navigation.