Both will have doorbells you can ring and the number that follows each respective coordinate is the number of times to ring the doorbell to open the door. The other codes are references to the Karl's Bay and Updaam map that will take you to a locked warehouse near the Treasure of the Ice exhibit with the giant mammoth animal, and a door inside the building next to Otto's Firework shop. Yours will be slightly different for reasons we shall now explain: you might recognise the R33 as it's the grid reference for the Deathloop Fristad Rock bunker, which you can see marked on the map inside. She means the hackable radios you can use for distractions so find one of those in the morning and hacking it to hear a variation on the following message: If you listen to the audio diary you can also find you'll discover that the commanding officer 'hacked the radio' in the morning to play the locations of the other codes. Once inside you'll find a door with three locks on it and the first combination on a note. To get inside, go there in the afternoon when the tide has gone out and you'll be able to find a small opening in the new lower area, just by some wooden poles and part of the bunker structure jutting out.

There's a doorbell there, but ringing it doesn't do anything. On the coast near where you come out of the Tunnels in Fristad Rock, you can find a door behind some breakable wood.

This door is one of the hardest to open but also more than worth prioritising as you'll unlock a load of really useful info that will give you a massive head start in the game.

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