It's a bit of a whopper at just over 3GB with 9 different characters and 2 maps. You also get 2 game modes to test. Non-Plus users need to wait a week.
Rome and Castel Gandolfo are the 2 maps playable in this multiplayer beta test for PS3. Assassin’s Creed: Brotherhood releases on Xbox 360 and PS3 November 19th. The latest instalment from Ubisoft just got a 15 certificate in the UK.