Ubisoft has confirmed the recently-leaked Assassin's Creed: Unity with a short teaser of stunning in-game footage.As expected Unity will be released during "holiday 2014", just for PC, PlayStation 4 and Xbox One. It's been in development for "more than three years", Ubisoft said.The trailer confirms the game's Parisian setting during the French revolution, and the black-cloaked Assassin spotted in leaked screenshots earlier this week.In a statement today announcing the game and the new footage, Ubisoft commented that been forced to confirm the game's existence a little earlier than planned due to "Abstergo"."Qu'ils mangent de la brioche [Let them eat cake]!" Ubisoft exclaimed."We have been working on the new Assassin's Creed for more than three years and although we weren't quite ready to show you our full vision for a next-gen only AC, it seems Abstergo are trying to force our hand! So here's a true first look at in-game footage from Assassin's Creed Unity. Stay tuned - we'll have many more exciting details for you in the months ahead!"