unbubly.
A garden becomes a puzzleSourced

Phone puzzles
in the Imperial Palace gardens.

QuizKnock collaborated with Japan's Imperial Household Agency on smartphone puzzles for the Imperial Palace East Garden. The project began in 2025, giving visitors another way to explore the grounds.

A quiet walk
with something to solve.

Summary / translation: Unbubly · CC BY-SA 4.0

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QuizKnock · Wikimedia contributors

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Adapted, summarized and translated from the source. Adapted text is also available under CC BY-SA 4.0.

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Reviewed: 2026-10-01

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