"Escape Game: Closed Room" is a free iPhone game developed by Hiroyuki Tsuchida. In this game, players find themselves trapped in a room with a closed door. The objective is to escape from the room by solving various puzzles and unraveling mysteries.

The game features a difficulty level that can be enjoyed by both beginners and experienced players. It can be completed in approximately 15 to 30 minutes, making it a quick and engaging gaming experience. When players find themselves stuck, they can tap on the hint button located in the top right corner of the screen to receive helpful clues.

To progress in the game, players must search for items within the room and use them to unlock doors and discover hidden hints. By tapping on various areas of the screen and using selected items, players can interact with their surroundings and navigate through different rooms. The game also offers the option to continue from where players left off in their previous session.

Overall, "Escape Game: Closed Room" provides an entertaining and challenging escape room experience for iPhone users. Can you solve the puzzles and escape from the closed room?