As we had anticipated in a previous news BioShock Infinite will have a new mode called " 1999 " that we will be able to play once the game difficult level. It is today, however, the news that you can get it without having to complete the title by inserting a simple code on the main screen, immediately after pressing Start. For the Xbox 360 version the code to enter is: up, up, down, down, left, right, left, right, B, a.