This is the first Ben 10 video game without Kevin in it.Even though Rook is playable alongside both Bens, the Bens are not playable alongside each other.In the DS version, when Four Arms attacks with the X and A buttons, Feedback's voice is heard instead.
When a modification for Ben's Omnitrix goes haywire, his new partner, Rook, gets sent back in time, meeting Ben from when he was 11.