Assassin's Creed III is set to get a Special Edition in the UK that'll be available exclusively at GAME. As you'd expect, the Special Edition comes with additional DLC, including an extra single-player mission and an extra in-game weapon to unlock.
The single-player mission is called 'A Dangerous Secret' and sees Connor fighting against a "secret that could jeopardise the funding of the revolution." Upon completing the mission, you'll unlock the exclusive weapon, Connor's classic Flintlock Musket.
Assassin's Creed III will be launching on October 30th, 2012 with the GAME exclusive Special Edition available to pre-order now at no additional cost.