there not for the zips u just need to open the destination to get activate them. I was thinking that too bout a code to open the door which cud be the paradise achievement.
there are 4 dials, each also have a colour too, Purple, Orange and Yellow. So it could be something to do with PhD Flopper, Staminup and Double Tap maybe.
I think it's the numbers from the game, She reads them right at the start (The fans said they should have some significance..) That's wot i heard, haven't got 2 try it yet as we had to stop early 2nite..