Unravel London’s Clever Mysteries in a Charming Adventure Filled with Puzzles, Story Twists, and Detective Fun

Celebrate the beloved Layton Series with its 11th anniversary instalment, LAYTON’S MYSTERY JOURNEY™: Katrielle and the Millionaires’ Conspiracy. Developed by LEVEL-5, this mobile sequel invites you into a witty, puzzle-packed detective story perfect for fans of mystery puzzle games, mobile brain-teasers, and narrative adventure games. The Starter Kit includes the prologue and first case for free, with additional cases available via in-app purchases.

Join Katrielle Layton as she pedals through London’s iconic locations—from the Houses of Parliament to Tower Bridge—chasing clues, cracking riddles, and uncovering the eccentric Millionaires’ Conspiracy. Along the way, help Kat investigate quirky cases, customise her outfits, redecorate her agency, and follow the trail that may lead to her missing father, Professor Hershel Layton.

Featuring a modern heroine, ingenious puzzles, and a visually rich world, this story-driven adventure proves that the truth is always stranger than fiction. Solve mysteries at your own pace, enjoy daily puzzle drops, and experience a polished detective journey that appeals to fans of open-world anime gacha storytelling, offline mystery games, and immersive mobile adventures.

Game Features

• Modern, female protagonist leading a humour-filled detective adventure
• The largest collection of puzzles in any Layton Series™ title
• Bonus daily puzzles delivered directly to your mobile device
• New cast of characters plus familiar faces from past instalments
• High-quality, visually rich gaming experience with customisable outfits and decor
• Additional minigames and offline play after initial download

Case Collection 1 (includes cases 2–4)
Case Collection 2 (includes cases 5–8)
Case Collection 3 (includes cases 9–12)
Full Kit (includes cases 2–12)

*Playable in English, French, and Spanish. Other languages are not available in your region.
**Bonus daily puzzles require an internet connection for access and download.