Today, Level-5 released a new trailer for the upcoming puzzler Layton’s Mystery Journey: Katrielle and the Millionaire’s Conspiracy. In addition, the developer has also announced a $15.99 price tag for the mobile version of the game, which will be released on July 20.

In a spinoff of the Professor Layton series, Katrielle, assisted by her talking dog Sherl, goes through London solving a variety of mysteries with a colorful cast of characters. Soon after, she stumbles upon the millionares’ conspiracy, and must figure out what’s happening before it’s too late. Featuring the largest collection of puzzles in the series to date, players can also change Katrielle’s outfit, customize the Layton Detective Agency and play some extra mini-games throughout the story.

Layton’s Mystery Journey: Katrielle and the Millionaires’ Conspiracy will be released to mobile devices on July 20, with a 3DS release later this fall. In addition to the game, there is an ARG running to commemorate the release. Check out the trailer above, and stay tuned for more news here on Gaming Trend.