Fans of the Assassin's Creed series have been urged to visit the Facebook page of Assassin's Creed: Brotherhood in order to unlock some free content on their console games.
Publisher Ubisoft has said that once its Assassin's Creed page hits 1m fans it will release a third free multiplayer map for the game called Venezia by Night.
At the time of writing the page has in excess of 960k fans.
Once the milestone is reached Ubisoft will also release a new video from the game's developers and offer a 24-hour 15 per cent discount at the UbiWorkshop clothes outlet.
The publisher has previously released two free multiplayer maps for the game.