Can children participate?

Yes, child pricing is available, making it suitable for family participation.

Is a smartphone required?

Yes, an internet-connected smartphone is mandatory for gameplay.

What is the shortest completion time?

Approximately 5 hours for experienced players, 7+ hours for beginners.

Can I pause and resume later?

Yes, there's no time limit—players can continue at their own pace.

QuizKnock × Tokyo Metro: Over 10,000 Players Participate in Route-Based Puzzle Game 'Tokyo Metro Puzzle Guidebook: Tracing the Gems' Within 49 Days

Q: Where can you play this puzzle game?

The game takes place at Tokyo Metro stations and surrounding neighborhoods, requiring physical movement.

Published Jun 16, 2026 8:00 PM ・ Updated Jun 16, 2026 8:02 PM ・ 8 min read ・ Source: PR TIMES

The collaborative route-based puzzle game 'Tokyo Metro Puzzle Guidebook: Tracing the Gems,' co-hosted by QuizKnock and Tokyo Metro, has surpassed 10,000 participants just 49 days after launch. The game's flexible route system allows players to customize their experience based on skill and time availability.

Baton Co., Ltd. (Shinagawa-ku, Tokyo; CEO: Yosuke Igarashi), operator of QuizKnock, and Tokyo Metro Co., Ltd. (Taito-ku, Tokyo; President & CEO: Akihiro Kosaka, hereinafter 'Tokyo Metro') are pleased to announce that their collaborative route-based puzzle game, 'Tokyo Metro Puzzle Guidebook: Tracing the Gems,' has surpassed 10,000 cumulative participants.

'Tokyo Metro Puzzle Guidebook: Tracing the Gems' is a route-based puzzle game where players solve various puzzles hidden at Tokyo Metro stations and surrounding neighborhoods, aiming to reach the final goal.

The game has now surpassed 10,000 participants just 49 days after its launch.

The game's greatest appeal lies in its highly flexible course design, where routes change based on player choices.

Players can choose their own destinations, allowing them to control playtime and content volume. Whether racing through the shortest route for efficiency or aiming for full completion by solving every puzzle, this innovative puzzle experience offers something for everyone—from beginners to experts.

Take this opportunity to purchase the kit at participating stores and use your creativity to solve a wide variety of puzzles!

▼ Official Website

https://nazoguidebookmetro.quizknock.com/

QuizKnock × Tokyo Metro 'Tokyo Metro Puzzle Guidebook: Tracing the Gems' Event Overview

Story

Hidden within Tokyo's streets lies a brilliance unknown to anyone.

It is said that in this world, a mythical substance appears only in response to human flashes of insight.

Joining a peculiar doctor in pursuit of this substance, you embark on an unknown investigation.

Gather flashes of insight across Tokyo and uncover a precious treasure!

Event Period

April 27, 2026 (Mon) – July 31, 2026 (Fri)

※ Facility operating hours and holidays follow individual venue schedules.

Price

2,500 JPY (tax included)

Required Items

- Smartphone with internet connectivity

※ Please ensure sufficient battery life.

※ Data charges are the user's responsibility.

Estimated Time Required

- Skilled puzzlers: 5 hours or more

- Beginners: 7 hours or more

- No time limit

※ Time includes only puzzle-solving and travel.

Sales Locations

(1) HMV (HMV&BOOKS SHIBUYA, HMV&BOOKS SPOT SHINJUKU, HMV ESOLA Ikebukuro, HMV LALAPORT Toyosu)

(2) Hontasutameike (Tameike-Sanno Metropia)

(3) Bunkatsu (Roppongi)

(4) Ogaki Bookstore (Azabudai Hills)

※ Sales hours follow store operating hours.

★ Recommended for participation: 'Tokyo Metro 24-Hour Ticket'

- Price: Adult 700 JPY, Child 350 JPY

- Validity: All Tokyo Metro lines

※ For details on one-day tickets, visit Tokyo Metro's official website:

https://www.tokyometro.jp/ticket/value/1day/index.html

About QuizKnock

QuizKnock is a media platform that blends entertainment and knowledge, led by quiz expert Takashi Iizawa. Under the concept of 'learning that starts with fun,' QuizKnock delivers daily articles and videos designed to spark curiosity. Its YouTube channel (https://www.youtube.com/c/QuizKnock) has surpassed 2.6 million subscribers. Ahead of its 10th anniversary on October 2, 2026, QuizKnock is launching the 'QuizKnock 10th Anniversary Project.'

About Baton Co., Ltd.

Baton Co., Ltd. operates various services and produces content to connect play and learning, aiming to realize its vision of 'a world where people learn through play.' Through entertainment-education hybrid services, the company provides opportunities for individuals to unlock their potential.

Inquiries

Baton Co., Ltd. Public Relations Team

Email: qk_media@baton8.com

Company Overview

Company Name: Baton Co., Ltd.

Established: October 2013

CEO: Yosuke Igarashi

Corporate Website: https://baton8.com/

FACT BOX

Source: PR TIMES
Category: Event