New SEGA 3DS Game For 2012

SEGA has announced Rhythm Thief & the Emperor’s Treasure will be coming to Nintendo 3DS in 2012 exclusively.  A brief description of the game was given:

Rhythm Thief & the Emperor’s Treasure sees players enter the secret life of Raphael, infamous among Parisians as an honorable thief for stealing famous works of art only to return them days later. Dive into Raphael’s world and help him find the Wristlet of Tiamat to unmask the mystery behind his father’s disappearance. While unravelling the truth players will encounter an assortment of different rhythm challenges to master. Tap the screen, swipe the stylus and control the gyro to the beat of the music to maneuver Raphael through the unique streets of Paris, brought to life by stylish animations and vibrant 3D maps and landscapes.

Rhythm Thief will have mutliplayer and will also use StreetPass.  Art, screenshots, and an early trailer for the game were revealed as well.

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I wonder if it was just too early in development to have been able to show at PAX.