If you're still one of a dying breed of Achievement addicts, you may be interested in a heads up on the challenges that await in Assassin's Creed 3. The full list of Xbox 360 Achievements packed into Ubisoft's next blockbuster has been outed by the ever reliable Xbox360Achievements.What do we learn? That this time it's 15 guards that need to die simultaneously via a single cannon shot to get the typical Assassin's Creed 'kill X number of guards with X attack' achievement. You'll also need to find stuff, hack stuff and win at stuff. A lot of stuff. If you're not spoiler shy,here's the list. Ubisoft this week released a load of Assassin's Creed 3 Wii U screenshots, after confirming it as a Wii U launch game.