MONTREAL–Game designer Patrice Désilets stunned the video game world with his high-profile departure from Ubisoft in 2010. Désilets’s contract prohibited him from working for the past year but now the creative director behind “Prince of Persia: Sands of Time” and “Assassin’s Creed”  franchise is back in the game, having joined THQ’s new development studio in Montreal. In his first interview in the new digs in Montreal, Désilets opens up about the new job, the time off and what it’s like to be an underdog again in the gaming world.