Assassin's Creed III: Liberation is a historical action-adventure open world stealth video game developed and published by Ubisoft exclusively for PlayStation Vita. Sony announced the title at its press conference during the Electronic Entertainment Expo 2012, few days after first leaks about the game presented in Game Informer. It was released on October 30, 2012 alongside Assassin's Creed III, with which it can be linked.