If there's one annoying thing about London buses, it's that you always find letters from yourself in the future. Grr!

With the recent announcement of a Professor Layton game on the 3DS, let's not forget the platform on which the popular series made its debut. In a truly time-puzzling manner, Nintendo has confirmed that Professor Layton and the Unwound Future will be launching a week earlier than previously announced, now on September 12. According to a recent press release from the company:

The future will arrive sooner than expected for fans of LEVEL-5’s acclaimed Professor Layton video game series. Nintendo of America has announced a new launch date of Sept. 12 for Professor Layton and the Unwound Future™, a new hand-held adventure created exclusively for the top-selling Nintendo DS™ family of portable game systems. Previously scheduled for release on Sept. 20, the game will now be available a week earlier, treating newcomers and experienced players alike to a mesmerizing mix of mystery, time travel and puzzle-solving fun.

Professor Layton and the Unwound Future places the professor and his trusted apprentice at the center of a spellbinding adventure after they receive a strange letter sent from 10 years in the future. Players must wind their way through more than 165 mind-bending puzzles as they decipher clues and strive to unlock a time-twisting mystery that threatens to plunge London into chaos.