Participate in an Original Mystery Solving Game in Asakusa

  • #tokyo

  • #Family

  • #Children

  • #Friends

  • #couple

  • #Outdoor

Anyone can participate in the original mystery solving game “Asakusa Detective Agency – The secret of the millionaire’s letters”, exclusive to MIMARU Asakusa Station! 
Have an exciting day searching Asakusa for clues that children and adults alike will enjoy. 

<Details> 
Game entry fee: 1,650JPY (Tax included) 
Available hours: Anytime (sold inside the Family Mart on the first floor) 
How to participate: Get a starter kit at the Family Mart on the first floor of MIMARU Tokyo Asakusa Station. 
Time required: 2 to 3 hours (approximate play time) 

Experience the mystery together with family and friends  


A real mystery solving game that takes you to all the famous sightseeing spots in Asakusa: “Asakusa Detective Agency – The secret of the millionaire’s letters”. Let the historical atmosphere inspire you to solve the riddles! 

Solve the codes and mysteries that the game-guide scroll provides in order to get closer to the truth one step at a time. An exciting treasure hunt for family and friends that tests body and mind. 

Become a detective in Asakusa and solve the mystery! 


Everyone who participates will feel like a famous detective. You have been assigned to solve the mystery of the millionaire’s letters in Asakusa. 

The game will take about 2 to 3 hours. Really get to know the city while the game sends you on a hunt for clues hidden at sightseeing spots, in billboards and landscapes. 

There is no time limit, so feel free to solve the mystery at your own pace. You can thoroughly explore the sightseeing spots the game’s story will take you to one by one. Enjoy a new and exciting way to explore the city! 

Take a stroll through Asakusa, where old meets new and a discovery waits around every corner.  



Test your skills! Can you solve the mystery before the main story ends? 


Try your hand at the 4 tricky questions we prepared before the main story! 

First trial question

Second trial question

Third trial question

Fourth trial question

Become the main character of this immersive detective story, all while exploring the ins and outs of Asakusa! A unique way of sightseeing for children and adults alike. 
Experience the traditional and modern side of Asakusa.

 Click here for an explanation

Experience It Here

Results : 1

Select by Photo

MIMARU Tokyo Asakusa Station
MIMARU Tokyo Asakusa Station
MIMARU Tokyo Asakusa Station

MIMARU Tokyo Asakusa Station

  • Western-Style
  • Bunk bed
  • Scenic View
  • Two-Bedroom
  • Studio
  • ~4 guests
  • ~5 guests
  • ~6 guests
  • ~7 guests
  • ~8 guests
From Asakusa Station Number 4 Exit (Ginza Line) ・・・ 1-minute walk

Recommended Experiences

Stay in a room with Pokémon
Stay in a room with PokémonStay in a room with Pokémon
  • #pokémon

  • #in-room

  • #Family

  • #Friends

  • #Children

Hotel Living: Weekly/Monthly Plan
Hotel Living: Weekly/Monthly PlanHotel Living: Weekly/Monthly Plan
  • #Medium-to Long-Term Stay

  • #Family

  • #tokyo

  • #kyoto

  • #osaka

Let's discover a new Tokyo
Let's discover a new TokyoLet's discover a new Tokyo
  • #Friends

  • #Family

  • #tokyo

  • #Outdoor

  • #Experience

Cookies help us deliver services. By clicking "Accept," you consent to the use of cookies. Click here to learn more.