The Tokyo Monorail is set to launch an exciting 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 to choose from, this game is perfect for both locals and tourists looking for a fun and engaging way to experience Tokyo.