Dengeki PlayStation magazine has revealed that Namco Bandai are planning to adapt the Bakemonogatari light novel into a visual novel game for the PSP console. The game is currently scheduled for release on 23 Aug 2012 and will be retailing for 6,280 yen (normal edition) and 9,980 yen (limited edition).
From the scan, we can see that the game will feature 3D characters and the option for co-op gameplay.
Source: オタク.com｜オタコム
I see they kept the signature head -tilt.