(adsbygoogle = window.adsbygoogle || []).push({}); For those who didnt know, heres how to unlock it:

From the main menu you can enter the following sequence of button presses and the 1999 Mode will appear as an option:





Up, Up, Down, Down, Left, Right, Left, Right, O, X (or B, A on Xbox)




This will unlock the trophy for Unlocking 1999 mode too

Awesome, thanks for this =D