Tokyo Metro Co., Ltd. (Head Office: Taito-ku, Tokyo, President: Akihiro Kosaka, hereinafter "Tokyo Metro") will hold "Chiikawa is Missing! 'Movie Chiikawa' Tokyo Metro Escape Game," a collaborative event with "Movie Chiikawa: Secret of Mermaid Island" (Distributor: Toho), which will be released on July 24, 2026 (Fri). The game will take place from July 24, 2026 (Fri) to November 3, 2026 (Tue, holiday). This event is an experiential game where participants use a special kit to solve various puzzles set up at stations and in towns along the Tokyo Metro lines, in an effort to find Chiikawa, Hachiware, and Usagi, who have gone missing. The world of "Movie Chiikawa: Secret of Mermaid Island," released on July 24 (Fri), is woven throughout the event. As you solve the puzzles, you will feel as if you have stepped into the world of Chiikawa and friends, immersing yourself in their story. Please enjoy this special adventure to find Chiikawa and friends. "Chiikawa is Missing! 'Movie Chiikawa' Tokyo Metro Escape Game" Details 1. Event Period From July 24, 2026 (Fri) to November 3, 2026 (Tue, holiday) * On the final day, November 3, 2026 (Tue, holiday), the event will run until 8:00 PM. 2. How to Participate (1) Purchase or exchange your puzzle-solving kit from the special sales website or designated sales facilities! (2) Follow the instructions in the puzzle-solving kit and the special app to head to various Tokyo Metro stations! (3) Walk around town, solve puzzles, and find Chiikawa and friends! (4) Challenge the final puzzle after solving all others. If you answer correctly, you clear the game! 3. What You Need * A smartphone with internet connectivity is required. * You will need to download the "ESCAPE.ID app" to play the game. * Please check the following for app details and download information: https://esc.id/app * The game will use your smartphone's camera during play. * Please ensure your smartphone has sufficient battery power. * Communication charges will be borne b