The Tokyo Monorail is set to launch an engaging real-world puzzle game in collaboration with Little Twin Stars, running from November 14, 2025, to February 28, 2026. This unique event invites participants to explore the scenic monorail route while solving ciphers and decoding messages from the beloved mascot, Monorun. With two beginner-friendly routes, this experience promises to be both fun and accessible for all ages. Participants can purchase a kit that includes a drawstring pouch, a puzzle booklet, and exclusive tenant discount coupons for just 2,000 yen.