While exploring The Base, you can find a locked door behind a vent that needs a door code to open. The Passcode digits are spread out across the Base in Datapoints that you can access as you progress ...
Horizon Forbidden West - How to Unlock the Base Vault Door This video shows you how to find the Vault door code - the secret door you find in the Base - in Horizon Forbidden West. **Mild Spoiler ...
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