Horizon Forbidden West: All Door Codes

Our Horizon Forbidden West all door codes guide lists all door codes that you will come across in main quests, side quests, and relic ruins.

In Horizon Forbidden West, you are going to encounter locked doors that require codes. You can usually find these codes by exploring the nearby area and solving a puzzle. But sometimes, it can get extremely complicated, as was the case with finding vista points. In any case, you’d be required to find two codes for a single door. The codes can be 4, 5, 6, and 7 digits long. Getting some of these door codes is easy, while others require the last of your brain cells.

Key Takeaways
  • In Horizon Forbidden West, you will encounter doors that require codes to be opened.
  • Usually, you can find these codes by exploring the nearby area or solving a puzzle, but sometimes, this process can get extremely complicated. 
  • There are two Main Story Quests that require codes to open doors. Death’s Door Code is 7-4-8-2, and Cradle of Echoes’ Door code is 2-3-6. 
    Forbidden Legacy Codes are  1-0-2-0-2-3 and 4-0-2-6-2-5.

Horizon Forbidden West: All Door Codes 

Below is a summarized list of all the Codes needed for the doors in Horizon Forbidden West:

  1. Main Quest: Death’s Door Code = 7-4-8-2
  2. Main Quest: Cradle of Echoes Door Code = 2-3-6
  3. Side Quest Forbidden Legacy Door Code #1 = 1-0-2-0-2-3
  4. Side Quest Forbidden Legacy Door Code #2 = 4-0-2-6-2-5
  5. Relic Ruin: The Daunt Door Code = 1-7-0-5
  6. Relic Ruin: No Man’s Land Door Code = 2-2-0-4
  7. Double Code Relic Ruin: Isle of Spires Door Code  = 2-1-0-9-1-0-9
    Leo’s Floor 9 Code = 2-1-0-9
    Astrid’s Floor 7 Code = 1-0-9
  8. Relic Ruin: Restless Wealds Door Code = 1-9-2-3
  9. Relic Ruin: Nights of Lights Door Code = 7-3-9-1-3-5

Here is the detailed guide to getting all the codes yourself.

The Main Quests Door Codes

There are specific codes required to unlock doors during certain main quests. Here are the codes and where you need to enter them:

1. Death’s Door Code (7-4-8-2):

  • To locate the Death Door, complete the “Explore the North Side of the Facility” side quest.
  • Start by making your way to the top of a platform.
  • Glide across the facility to reach a blocked path.
  • Destroy the obstacle to access a room with the Death Door.
  • Enter the code 7-4-8-2 to unlock the door and continue with the mission.

2. Cradle of Echoes Code (2-3-6):

  • After completing the objective to “Examine the Console,” you’ll need to “Enter the Code.”
  • The Synthetic Voice will mention “236 Containers in Storage. Please enter the container number you’d like to retrieve.”
  • Enter the code 2-3-6 to proceed.

These codes are essential for advancing through the respective main quests in the game.

Interesting Read: Horizon Forbidden West Survey Drones

The Side Quests Door Codes

In Horizon Forbidden West, there are a whopping 28 side quests, and that does not include the errands. In these side quests, there is only one that has locked doors, where you need to enter their codes to unlock the doors.

Here are the door codes for this side quest and where to find and enter them:

Forbidden Legacy Code #1 (1-0-2-0-2-3):

  • You’ll need this passcode after the objective “Jump to the Tower.”
  • In the tower, there is a locked door where you need to enter the code.
  • Find the code by scanning the Datapoint in a small room to the left of the locked door.
  • The Datapoint mentions that the code is the date Atbay was founded, which Alva confirms as “October 2023,” giving you the code 10-2023.

Forbidden Legacy Code #2 (4-0-2-6-2-5):

  • After entering the room, you’ll receive the objective to “Unlock the Door.”
  • There will be four artifacts in the back of the room that you need to scan from left to right.
  • Alva will provide numbers for each artifact, and you’ll need to figure out the code based on her comments.
  • Here’s what she says for each artifact:
    • “40”
    • “The H2Flow.”
    • “The company’s 25th anniversary. Looks like it used to be on the last pedestal.”
    • “The Dragonfly 6.”
  • So, the code you get is 40-2-6-25, with the “25” being placed last as it used to be on the last pedestal.

More From Exputer: Horizon Forbidden West Cauldron Locations

The Relic Ruins Door Codes

The Relic Ruins consists of multiple puzzles that you need to solve to get the code for the door. There are 9 Relic Ruins in Horizon Forbidden West, and five of them have a code for the doors. By far, the Relic Ruins have the most difficult of puzzles to solve for you to get the code. That’s why I have a separate detailed guide on how to get all the Relic Ruins, including the door codes puzzles.

Rewards for Completing the Forbidden Legacy Quest

Complete the extensive Forbidden Legacy side quest in Horizon Forbidden West by following Alva to the research facility and then proceeding to the ruins to recover lost data. Travel to Atbay Headquarters to find an entrance, unlock the first door, ascend to the Ancestor’s office, and open the last locked door to finish the quest.

Rewards for completion include 2 Bronze Ingots, 1 Ancient Chime, 1 Ancient Necklace, 2 Ancient Sculptures, and an Ancient Black Bracelet. Earn the “Recovered Alva’s Data” trophy and progress toward the game’s Platinum trophy. Return to Legacy’s Landfall after finishing the quest to receive the Utaru Protector Outfit from Alva near a campfire.

With that now, you know all the codes for the doors in Horizon Forbidden West. This includes all the codes for story quests, side quests, and the Relic Ruins. If this guide saved you the trouble of solving some extra puzzles in the Relic Ruins or got you the code you missed, then consider letting us know in the comments section below. If there are more codes that we might have missed, do let us know.

Next: Horizon Forbidden West Signal Towers

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Haddi is a Senior Writer & Editor at eXputer who loves to play games and talk about them like a fanatic. Hadi's years of experience in this industry let him provide a unique and critical perspective on games to share with his audience. His work is also featured on several other websites. You can hit him up on his gaming profile at Steam!

Experience: 5+ years || Previously Worked At Gamepur, Gear Siege, GearNuke

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