A digital stamp rally celebrating Sonic's 35th anniversary will be held along the Tokyo Metro network, with early-bird gifts and lottery prizes available to participants who complete all 4 locations.
To celebrate the 35th anniversary of Sonic the Hedgehog, the Tokyo Metro Digital Stamp Rally will be held, with digital stamps placed at 4 locations: PARCO FACTORY IKEBUKURO, the Tokyo Metro Museum, the Kua'Aina Tokyo Skytree Town Solamachi store, and SEGA STORE TOKYO. Participants who complete all locations will receive an original paper craft of the wrapped train "Sonic the Hedgehog" for the first 3,000 participants, while 10 participants will be selected by lottery to receive a stainless-steel bottle.
Each location will feature an exhibition or special offer. PARCO FACTORY IKEBUKURO will host the SONIC The Exhibition -ACROSS GENERATIONS- exhibition, the Tokyo Metro Museum will offer wallpapers and AR photo frames, the Kua'Aina Tokyo Skytree Town Solamachi store will offer collaboration menu items with promotional gifts, and SEGA STORE TOKYO will provide store-exclusive information.
The event will run from 9 October to 1 November 2026, and participation is free. Participants are responsible for their own transportation and communication costs. Stamp information is saved on the device used, so it may be lost if the device is replaced or for other reasons. Once the eligibility requirements have been met, an application button for the benefits will appear, and participants must enter the required information to complete their application.