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Resident Evil 9: Requiem

All ARK Safe Codes & Rewards

By
Craig Robinson
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As you explore the ARK facility playing as Grace, you’ll come across two safes early on that you cannot open yet. These two safes are in awkward spots too, considering the proximity to the enemies that guard them. However, you can easily take care of the them, and find the other one relatively safe. Here’s everything you need to know to open the ARK safes in Resident Evil Requiem.

Here’s a look at how to open the safe codes on ARK level in Resident Evil Requiem. Image via Gamer Guides / Capcom.

All ARK Safe Codes

To open these Safe in ARK organically, you need to collect two files. Both are located around the the same room

LocationShow Spoiler

Bioweapon Repository 05

So, you can easily get this done. To access this, progress through to get the Dump Key, and then progress into the other halfway using the Magnetic Key you get.

Once that’s done, you can get the safe files, and access to a better storage box to make it easier to collect the safe code items.

Sterilization Safe

This is the name of the first safe you find when you first encounter patrolling enemy in the room near the save point.

  • Code: 10R 90L 20R
    Contains:
  • 1 Molotov Cocktail
  • 15 handgun ammo
  • 1 Med Injector

The Molotov Cocktail is great for crowd control if you get overwhelmed by enemies. Save it for tight situations where you’re surrounded It can easily be used in the following room if you don’t already have one spare, as you need to sneak past enemies, and then alert two of the zombies in the room to get the Dump key. One zombies is next to the Dump key, while another is tucked in the corner. Throwing a bottle to the corner can get them grouped up, and a molotov kills them, at least on non-Nightmare playthroughs.

The handgun ammo is always welcome, since the Zombies on this level can take about 4-5 hits with several Stabilizers buffs.

Monitor Control Room Safe

This is the safe code you find in the Monitor Room, which opens after you unlock the Magnetic Key door near the save point and storage box.

  • Code: 50L 60R 80L
    Contains:
  • Empty bottle
  • Bottle of acid
  • 1 Med Injector

The acid bottle is useful for puzzle-solving later, so don’t skip this safe. The Med Injector is always handy to have in your inventory for emergencies.

You’ll likely need a spare Acid Bottle for the room coming up when you progress through the next phase.

For embargo and spoiler reasons, we’ve hidden why its good to get this safe open early using our safe code guide:

Strategy and EnemiesShow Spoiler

When you enter and retreat from the Bioweapon Repository 5, as there’s at least 6 Lickers at different stages of that room entry and escape sequence. You do get empty bottles and acid bottles in that room, so don’t fret. But having a spare one does come in handy when you don’t need to craft or doing a craftless run.

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Guide Information
  • Genre
    Survival Horror
  • Guide Release
    25 February 2026
  • Last Updated
    3 March 2026
    Version History
  • Guide Author

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A new era of survival horror arrives with Resident Evil Requiem, the latest and most immersive entry yet in the iconic Resident Evil series. Experience terrifying survival horror with FBI analyst Grace Ashcroft, and dive into pulse-pounding action with legendary agent Leon S. Kennedy. The guide for Resident Evil Requiem will contain the following:

Additionally, you’ll find the most complete Interactive Map around!

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