Search for the following coordinates on the Cryptographic Sequencer to intercept a radio frequency that contains the following repeating numbers. Some of the secret broadcasts may not be available until after completing the main campaign.
Hidden Message 2 Location: X: 500.00, Y: 900.00 Message: 5-15-9-7-21-18-18-14-3-5-24-15-12-7-22-3-10-5-15-9-22-3-8-25-26-15-16-25-10-15-17-25 Decoded message: 'YOU WILL PAY FOR WHAT YOU HAVE DONE TO ME'
Hidden Message 3 Location: X: 200.00, Y: 500.00 Message: 3-20-26-18-26-16-24-1-11-4-24-9-3-8-5-2-12-18-6-16-7-11-3-10-17-5-13-4-21-8 Decoded message: 'FEAR WILL TEAR GOTHAM CITY TO SHREDS'
To view the alternate ending you must have the bonus 'Catwoman' downloadable content. In Catwoman's third mission choose to go right when you are given the option to go either left or right with the loot. You will still be able to go backwards and not ruin anything in the main campaign.