脱出ゲーム　なつやすみの宿題 is a free 3D escape game available on iPhone that challenges players to find keys and escape from various scenarios. The gameplay involves tapping to investigate objects, moving through the environment using directional arrows, and interacting with items for clues. Players can zoom in on items by tapping or using a magnifying glass button, and certain items can be combined to aid in solving puzzles.

The game features an automatic save system that progresses as players advance, ensuring a seamless gaming experience. Additionally, hints are accessible via a button in the top right corner of the screen, and players can manage background music and view gameplay instructions through the menu button. The game is enhanced by sound effects from various music sources, creating an immersive atmosphere for players to enjoy.