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IGN’s Call of Duty: Black Ops Cold War wiki guide and walkthrough contains all the information you’ll need to finish the game.
This page includes complete instructions on how to unlock the Inventory Gate lock in the Safehouse.
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If you’ve poked around the Safehouse, you may have noticed a locked gate near Lazar and Sims’ usual hangout spots.
The gate leads to the back of the safehouse, and you’ll need three pieces of information in order to piece the code together.
Clue #1 - Clinical Record
The first clue can be found in the hallway just left of the gate. Head through the doorway and look to your left to find a small, torn note with the Clinical Record on it. Two illuminated numbers mark the first clue; 11.
Clue #2 - Warren Commission
The Warren Commission piece can be found on a clipboard on the floor, just below the lock. Read it to see two more illuminated numbers which comprise our second clue; 22.
Clue #3 - Dallas News Article
The Dallas News Article can be found in the darkroom. Head inside the room, which is filled with red light, then turn to the right to find the clipping. The illuminated numbers are 63, and that wraps up the information we need to unlock the gate.
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Unlocking The Gate
Head back to the lock and combine the numbers you found. Enter “112263” and the gate will swing open.
Head to the right side to find an arcade cabinet, which will hold versions of every arcade game you’ve found so far in other levels.
Near the arcade machine, you’ll find a computer. You can poke around the computer to find a few fun Easter Eggs for series fans, and more. Enjoy!