BioShock Infinite: Cheat Code to Unlock 1999 Mode (Hardest Difficulty)

There are two ways to unlock "1999 Mode" (i.e Hardest Difficulty) in BioShock: Infinite. The first way is to complete BioShock: Infinite in any difficulty level. The second way is to make use of following cheat code.

BioShock InfiniteCheat Code to unlock BioShock Infinite 1999 Mode:

For Xbox 360/PC : Up, Up, Down, Down, Left, Right, Left, Right, B, A
For PS3: Up, Up, Down, Down, Left, Right, Left, Right, O, X

Enjoy guys, let us know in the comment section below if you need any help.

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