All Door Code Solutions in Horizon Forbidden West - Horizon Forbidden West Guide - IGN (2024)

When exploring the open world in Horizon Forbidden West, you’ll occasionally discover hidden security terminals that require short, four-digit to seven-digit codes in order to unlock secret doors. Although passcodes for these terminals are solved by searching for and reading nearby Datapoints in the area, we have compiled a list of all security Horizon Forbidden West door code solutions that you’ll encounter.

Behind these security terminals, you can find anything from common to legendary loot caches.

All Security Terminal Door Code Solutions

Below is a full list of all door codes needed to unlock the security terminal doors that you'll find throughout the Main Story, Relic Ruins, Side Quests, and even when exploring Tap to Reveal.

Looking to unlock a particular door but you're missing a passcode? Click the links below to jump to...

• All Security Terminal Door Code Solutions
• All Main Quest Codes
• All Side Quest Codes
• How to Unlock Secret Base Door Code

All & Ornament Door Codes

For more details, be sure to visit our Relic Ruins Hub to find complete step-by-step walkthroughs that will guide you to the exact location of all passcodes.

• Relic Ruins: The Daunt Code - Tap to Reveal
• Relic Ruins: No Man’s Land Code - Tap to Reveal
• Relic Ruins: Restless Wealds Code - Tap to Reveal
• Relic Ruins: Isle of Spires Codes
  • Floor Level 9 Code - Tap to Reveal
  • Floor Level 7 Code - Tap to Reveal
  • Floor Level 6 Ornament Code - Tap to Reveal
• Relic Ruin: Dunehollow
  • Nights of Lights Ornament Code - Tap to Reveal

All Main Quest Codes

All door codes found during Main Quests in Horizon Forbidden West are listed below.

How to Find the Death's Door Code

The three-digit code needed to unlock the Death's Door security terminal is as folllows:

• Death’s Door: Latopolis Door Code - Tap to Reveal

• Location: No Man’s Land - Jagged Deep - Latopolis

This Datapoint is found inside Latopolis, the facility you visit in the “Death’s Door” Main Quest.

Mid-way into the quest you’ll use the Shieldwing to glide into the North-East corner of the map and into a small room, with a locked door on your left. Head into the open door directly across from the locked one, then turn left to see this Datapoint sitting on a table, next to an Ancient Supply Safe.

How to Find the Cradle of Echoes Distress Signal Code

The three-digit code needed to unlock the door during the Cradle of Echoes Main Quest

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is as follows:

• Cradle of Echoes: Distress Signal Code- Tap to Reveal

• Location: Whitewash Mountains - The Base

Acquired automatically after returning to The Base with your first subordinate AI and restoring it to GAIA.

All Side Quest Codes

All door codes found during Side Quests in Horizon Forbidden West are listed below.

How to Find All the Forbidden Legacy Door Codes

The two six-digit codes needed to unlock the doors during the Forbidden Legacy Side Quest are as follows:

• First Locked Door Code - 102023
• Second Locked Door Code - 402625

• Prerequisite: “Forbidden Legacy” Side Quest
• Location: Isle of Spires

This Datapoint is acquired during the “Forbidden Legacy” Side Quest. After leaping across the gap and entering the Atbay Headquarters building, you’ll find it on a table to the right of the locked door.

• Prerequisite: “Forbidden Legacy” Side Quest
• Location: Isle of Spires

This Datapoint is acquired during the “Forbidden Legacy” Side Quest. After leaping across the gap and entering the Atbay Headquarters building, you’ll find it in the tiny room through the hole in the wall to the left of the locked door.

How to Find the Spinebreak Door Code

• The Spinebreak - 2054

• Prerequisite: Start the "Breaking Even" Side Quest
• Location: The Stillsands - The Spinebreak

Found during the “Breaking Even” Side Quest, which is started at Camp Nowhere in the North-Eastern corner of the Stillsands.

The Side Quest will take you into the Western tunnels of The Spinebreak. After you meet Lunda, it’ll be down the corridor behind her and in the dark corner on your left.

How to Unlock the Secret Base Door

The seven-digit code needed to open the secret Base door is as follows:

• The Base Secret Room Code - Tap to Reveal

Want to unlock the secret door for yourself? Check out our complete step-by-step walkthrough that will guide you through obtaining all the necessary clues needed to unlock the door.

• How to Get the Secret Vault Passcode in The Base