[Odori, Sapporo] The mystery solving game “Escape from the Ancient Underground City of Porora”, which explores the underground space of Sapporo, will end in December 2025

The mystery solving game "Escape from the Ancient Underground City of Porora," which explores the underground space of Sapporo, will end in December 2025. Don't miss your last chance!

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ClaGla Co., Ltd., a manufacturer of board games and puzzle games based in Sapporo, has decided to end sales of the popular city walking puzzle game "City Walking Puzzle Game: Escape from the Ancient Underground City of Polora," set in the underground space of Sapporo, on Wednesday, December 31, 2025 (the final sales date will be the business day of the store where it is sold).

This is the second installment of the "Sapporo Street Mystery Series," which is set in Sapporo city, including Odori Park and the Moiwashita district, and the story takes place in the Odori subway station concourse and the surrounding underground space. With a puzzle-solving kit, you will solve mysteries while exploring various places.

This is your last chance to experience the game that has captivated so many fans for four years!

Whether you're a Sapporo resident who regularly uses the underground space of Odori, or a tourist from outside Hokkaido, be sure to come and experience it during this period.

Sapporo's underground is full of mysteries…

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You set out to investigate mysterious ruins.

However, what awaited them was a mission full of trouble!

A puzzle solving game where you actually explore underground shopping malls and subway concourses!

When you solve all the mysteries, this underground space will become a special place for you…!!

How to play

・Purchase a puzzle solving kit and start the game!

– Explore the underground malls and subway concourses and solve all the mysteries.
You can start the game at any time. There is a hint site so even beginners can feel at ease!

– No time limit! You can continue playing the next day.

・Enter the final answer on your mobile device!

*An internet connection is required to enter the final answer.
*Due to the nature of the puzzles, once you have played the game you will not be able to play it again.

*There are no scenes in the game where you ride the subway.


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■City walking puzzle game: Escape from the ancient underground city of Porora

Sales price: 2,500 yen (tax included)

Sales location: Moiwashita BRICK / Sapporo Game Space Yukoru

Publisher: ClaGla

Written and directed by: Nobuyuki Semba (ClaGla)

Number of players

Recommended: 1 person/1 book

Play Time

90-120 minutes

Age Recommendation

Recommended for ages 12 and up

Playable time

10:00~20:00


Press release regarding the Sapporo Street Mystery Series

・[Jozankei, near Sapporo] A mystery-solving game event where you walk through the town under Moiwa is currently being held!

https://prtimes.jp/main/html/rd/p/000000094.000052049.html


ClaGla (ClaGla Co., Ltd.)
ClaGla (ClaGla Co., Ltd.)