QuizKnock and Tumbleweed, Celebrating Their 10th Anniversaries in 2026, Collaborate for the Limited-Time Experience-Based Puzzle-Solving Event "Unlock!" Starting August 7th

Key facts

  • QuizKnock and Tumbleweed, Celebrating Their 10th Anniversaries in 2026, Collaborate for the Limited-Time Experience-Based Puzzle-Solving Event "Unlock!" Starting August 7th
  • QuizKnock and the experience-based puzzle-solving brand "Tumbleweed" are collaborating to celebrate their 10th anniversaries in 2026 with the limited-time event "Unlock!" running from August 7th to September 27th, 2026. This event is a collaborative "hall-type" game created by both entities, where teams of up to four people work together to solve puzzles. Ticket sales begin on June 14th at 8 PM, with early bird bonuses and take-home puzzle kits also available.
  • Source: PR Times
  • Date: June 12, 2026

Direct answer

QuizKnock and the experience-based puzzle-solving brand "Tumbleweed" are collaborating to celebrate their 10th anniversaries in 2026 with the limited-time event "Unlock!" running from August 7th to September 27th, 2026. This event is a collaborative "hall-type" game created by both entities, where teams of up to four people work together to solve puzzles. Ticket sales begin on June 14th at 8 PM, with early bird bonuses and take-home puzzle kits also available.

Citation
QuizKnock and Tumbleweed, Celebrating Their 10th Anniversaries in 2026, Collaborate for the Limited-Time Experience-Based Puzzle-Solving Event "Unlock!" Starting August 7th (June 12, 2026), PR Times
Source
PR Times
Date
June 12, 2026
QuizKnock and the experience-based puzzle-solving brand "Tumbleweed" are collaborating to celebrate their 10th anniversaries in 2026 with the limited-time event "Unlock!" running from August 7th to September 27th, 2026. This event is a collaborative "hall-type" game created by both entities, where teams of up to four people work together to solve puzzles. Ticket sales begin on June 14th at 8 PM, with early bird bonuses and take-home puzzle kits also available.
イベント出典:PR Times

📋 Article Processing Timeline

  • 📰 Published: June 12, 2026 at 20:50
  • 🔍 Collected: June 12, 2026 at 12:06
  • 🤖 AI Analyzed: June 12, 2026 at 16:51 (4h 45m after Collected)
baton Inc. (Shinagawa-ku, Tokyo; CEO Yosuke Kinugawa), which operates QuizKnock, will collaborate with Green Dice Inc. (Chofu-shi, Tokyo; CEO Atsushi Saito), which operates the experience-based puzzle-solving brand "Tumbleweed," to hold the experience-based puzzle-solving event "Unlock!" for a limited time from Friday, August 7, 2026, to Sunday, September 27, 2026, at "Tumbleweed Nazobase Shimokitazawa."

QuizKnock and Tumbleweed will both celebrate their 10th anniversaries in 2026.

QuizKnock, an intellectual entertainment group led by Takuji Izawa, launched the "QuizKnock 10th Anniversary Project" on October 2, 2025, in anticipation of its 10th anniversary in 2026.

Similarly, the experience-based puzzle-solving brand "Tumbleweed" launched the "Tumbleweed 10th Anniversary Project" in April 2026 to commemorate its 10th anniversary on August 26, 2026.



This time, QuizKnock and Tumbleweed, both celebrating their 10th anniversaries in 2026, are collaborating! The experience-based puzzle-solving event "Unlock!," jointly produced by NazoLock, a puzzle-creation team from QuizKnock, and Tumbleweed, will be held for a limited time.

This event is a "hall-type" game format where multiple teams, divided by tables, solve puzzles simultaneously. It is an experience-based puzzle-solving game event where players can play in teams of up to four and aim for clearancethrough cooperation.

Prior to the event's start, tickets will go on sale from 8 PM on Sunday, June 14th. The event will also offer an "Early Participation Bonus" for those participating between Friday, August 7th, and Friday, August 14th, as well as "Take-Home Puzzles" that allow you to enjoy puzzle-solving at home. For details on various bonuses, merchandise, and how to purchase tickets, please check the special website.

We have challenged ourselves to create a serious puzzle-solving experience that can be enjoyed by both puzzle enthusiasts and fans of either brand. We hope you will come!

Special Website: https://tumbleweed.jp/event/unlock

Overview of the Experience-Based Puzzle-Solving Event "Unlock!"

Event Dates:

Friday, August 7, 2026 – Sunday, September 27, 2026

*Please check the special website for the detailed event schedule.

Venue:

Tumbleweed Nazobase Shimokitazawa

(1F Schloss Shimokitazawa, 2-22-16 Kitazawa, Setagaya-ku, Tokyo 155-0031)

Event Details:

- Team Size: Maximum 4 people

- Duration: Approximately 110-120 minutes

- Start Format: Simultaneous start

- Location: Indoors

Story:

"He" lamented.

Why must only I

receive punishment.

"He" thought.

Why not make everyone else

receive punishment too.

"He" created.

The strongest, the best, game.

Ticket Information:

- General (1 person): ¥4,400

- Group (1-4 people): ¥16,800

- General with Limited Puzzle (1 person): ¥5,900

- Group with Limited Puzzle (1-4 people): ¥22,800

*All prices include tax.

*Please be sure to check the special website for other details.

Early Participation Bonus:

All participants between Friday, August 7th, and Friday, August 14th, will receive a limited-edition collector's sticker for free.

*After the free distribution period, it will be sold separately at the venue (while supplies last).

*The standard success/failure stickers will be distributed for free.

Special Website:

https://tumbleweed.jp/event/unlock

*Please read the game's precautions and other information on the website carefully.

About Tumbleweed

Tumbleweed produces puzzle-solving events that leave a strong impression, even after the experience, with the concept of "Impact that never fades."

They offer experiences with a strong sense of "shock upon solving" through challenging difficulty settings and structures that pursue the quality of inspiration, especially for players familiar with puzzle-solving and those who enjoy thinking itself.

One reason for its support from many core fans is its design, which aims to remain memorable long after the experience, rather than being consumed as mere entertainment.

About NazoLock

A puzzle-creation team from QuizKnock.

They have handled large-scale, tour-type puzzle-solving events such as "Tokyo Discovery City!" set in Tokyo Dome City and the "Tokyo Metro Puzzle-Solving Guidebook: A Route Map Following Jewels."

Furthermore, they offer a wide range of puzzle-solving experiences, from original take-home puzzles to puzzle projects featured in QuizKnock's videos.

NazoLock Official X: https://x.com/NazoLock_baton

About QuizKnock

QuizKnock is a media outlet that blends entertainment and knowledge, primarily operated by quiz champion Takuji Izawa. With the concept of "Learning that starts from fun," they deliver articles and videos daily that serve as a trigger to "know" something. Their YouTube channel (https://www.youtube.com/c/QuizKnock) has surpassed 2.6 million subscribers. They are currently promoting the "QuizKnock 10th Anniversary Project" towards their 10th anniversary on October 2, 2026.

About baton Inc.

baton Inc. operates various services and produces content that connects play and learning to realize its vision of a "world where learning is like playing." Through services that combine entertainment and education, they provide opportunities to unlock one's potential.

■ Inquiries regarding this matter:

baton Inc. Public Relations Team

Email: qk_media@baton8.com

■ Company Overview

Company Name: baton Inc.

Established: October 2013

Representative Director: Yosuke Kinugawa

Corporate Website: https://baton8.com/

FAQ

When will the QuizKnock and Tumbleweed collaboration event "Unlock!" be held?

The event will run from Friday, August 7, 2026, to Sunday, September 27, 2026. Please check the special website for the detailed schedule.

What type of event is "Unlock!"?

"Unlock!" is an experience-based puzzle-solving event in a "hall-type" format where teams at separate tables solve puzzles simultaneously. Up to 4 people can cooperate to achieve the goal.

What are the ticket prices?

General admission (1 person) is ¥4,400, and group tickets (1-4 people) are ¥16,800. Tickets with a limited puzzle are also available. Please check the special website for details.

Are there any early participation bonuses?

Yes, all participants between Friday, August 7, 2026, and Friday, August 14, 2026, will receive a limited-edition collector's sticker for free.

Why are QuizKnock and Tumbleweed collaborating?

QuizKnock and Tumbleweed are collaborating to celebrate their respective 10th anniversaries in 2026.