"The Most Easiest Room Escape Game in the World" is a free iPhone game developed by toshiyuki sakurai. With a simple concept, the game challenges players to escape through 10 doors by solving puzzles using stage numbers as clues. The game is designed to be beginner-friendly and offers continuous free updates to keep players engaged.

To play, players only need to tap on doors to open them and progress through each level. The ultimate goal is to unlock the EXIT door by deciphering the clues provided within each level, usually revolving around stage numbers. Players are encouraged to explore different methods to unlock doors, such as pushing buttons and more. It's a straightforward and enjoyable experience for those looking for a casual room escape challenge.