Question: Which game released exclusively on PlayStation portable was released at the same time as Assassin's Creed II in 2009?
Sentence (from "Assassin's Creed: Bloodlines"): Assassin's Creed: Bloodlines is an action-adventure video game for PlayStation Portable, part of the "Assassin's Creed" franchise, taking place in between the events of "Assassin's Creed" and "Assassin's Creed II".
Relevant evidence: Yes