The Final Puzzle Solution in Resident Evil Requiem

The Final Puzzle in RE9 has been solved, and we’ve got the step-by-step process to completing it below. If you want the Final Puzzle solution in Resident Evil Requiem to get 20,000 CP, then you just need to take a look below to see the steps so you can “let the sweet pair hear the voice.”:

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The Final Puzzle Challenge Walkthrough

Here’s a quick step-by-step process for The Final Puzzle. Be aware, this will require two playthroughs:

1. Progress through the main story until you reach the Care Center Basement.
2. Obtain the Forklift Key from the Processing room.
3. With the Forklift Key, interact with the Forklift in the Workshop to enter the Inspection room, where you’ll then be on the opposite side of the Processing room.
4. Wait around 15 minutes as bodies drop into the bloody water. You need over 115 bodies to drop.
5. Drain the water with the wheel and enter the Processing room.
6. Let the grinder kill all zombies. If any zombies remain alive when the grinder stops, then restart.
7. Complete the Basement area to return to the Care Center.
8. Enter the Restrooms in the West Wing and flush any toilet eight times.
9. Exit the Care Center via the Courtyard and go into the Research Facility.
10. On the stairs after the blood vial smashes, you will find Marie’s Doll.
11. Place Marie’s Doll in the Item Box.
12. Complete the main story and start a New Game to find Marie’s Doll in the Item Box.
13. Complete the Basement section of the Care Center to find the Severed Hand by the Elevator.
14. Take the Severed Hand to the Analyzer in the Blood Lab and interact with the left node, middle node, and right node to get the “Let’s Play.” screen.
15. Take Marie’s Doll from the Item Box and keep it in your inventory.
16. Pick up Emily in the Guard Office and take her to the Lead Researcher’s Office.
17. Interact with the Sun Puzzle Box and input the following code: Sun, Sun, Star – Sun, Moon, Star Sun, Moon, Sun – Moon, Star Moon.

How to Get Marie’s Doll in Resident Evil Requiem

The first step requires you to enter the Basement section of the Care Center. On your hunt for the Joint Plugs, you will eventually make your way to the Processing plant via the Inspection room, thanks to the Forklift Key.

While in the Processing room, you will need to stand and watch 115 bodies drop into the pool of blood, which takes around 15 minutes. After 15 minutes, turn the wheel to drain the blood and head down the ladder.

You will now need to let the grinder complete its cycle without you personally killing any zombies. Feel free to shoot them in the legs to stun them, but ensure that all of them get eaten by the grinder with none left alive.

Now, progress through the Basement as normal until you return to the Care Center. From inside the Care Center, head into the West Wing and enter the Restrooms, where you can then interact with any toilet to flush it 8 times.

Continue progressing through the Care Center until you exit to the Courtyard and reach the Facility. After acquiring the Helicopter Key, you will be tasked with escaping the Facility. Once the giant vial of blood smashes in the Collecting & Testing room, head towards the stairs, and you will find Marie’s Doll.

Now that you have Marie’s Doll, you will want to deposit it into the Item Box within the Guard Station. With Marie’s Doll in the Item Box, you will need to complete the main story and then start a new game.

How to Use the Severed Hand in Resident Evil Requiem

In your second playthrough, after completing the game with Marie’s Doll in the Item Box, progress through the Care Center and complete the Basement section. You can now find the Severed Hand at the Elevator.

With the Severed Hand in your inventory, return to the Laser Microscope (there’s one in the East Wing’s Blood Lab or the West Wing’s Office). Click Analyze on the Severed Hand, and complete the atom puzzle by interacting with the furthest left node, middle node, and furthest right node, to be met with a unique screen:

“Let’s play. GGC AAG AUA ACG UGU CAU“

How to Complete the Final Puzzle in Resident Evil Requiem

After completing the Severed Hand puzzle, enter the Guard Office and take Marie’s Doll from the Item Box. Now, pick up Emily and carry her to the Lead Researcher’s Office in the East Wing (2F).

Inside, you will find that the Sun Puzzle Box can be interacted with. You can now input the following code into the Sun Puzzle Box:

| Sun, Sun, Star | Sun, Moon, Star | Sun, Moon, Sun | Moon, Star Moon |

With Marie’s Doll in your inventory, and while carrying Emily, you will hear a child’s laugh after inputting the correct code, which completes The Final Puzzle!

All Final Puzzle Rewards in Resident Evil Requiem

Some players might be asking, “What do you get for completing The Final Puzzle?” The answer is 20,000 CP from the Challenge List. There’s no achievement/trophy associated with The Final Puzzle, and there’s no secret cutscene that teases a new game. It’s just a fun challenge for CP.

How to Solve the Laser Microscope Puzzle in Resident Evil Requiem

The “G” Clue

The first step in translating “GGC AAG AUA ACG UGU CAU” comes from the Laser Microscope in the Care Center. If you head to the Laser Microscope within the Blood Lab, East Wing, you will be able to interact with the machine to see some writing on the bottom that reads “G = 150,000,000”.

The distance between the Earth and the Sun is 150,000,000 km, which means that the “G” in the Severed Hand puzzle translates to “Sun”.

How to Use the Hourglass in Resident Evil Requiem

The “U” Clue

After escaping the Care Center with the three Quartz boxes, you will enter the Courtyard. From the Helipad, you can enter the house and venture into the VIP Suite. From within, you can find an Hourglass sitting in view, which can be picked up and added to your inventory.

With the Hourglass, examine it from your inventory and remove the top screws. You can now turn the Hourglass upside down to let the sand drain, which will reveal the next clue: “U = 380,000”. The distance between the Earth and the Moon is 380,000 km, which means that “U” in the Severed Hand puzzle translates to “Moon”.

How to Solve the Grace Ashcroft Blood Analysis Report Puzzle in Resident Evil Requiem

The “C” Clue

The third clue can be found within the Private Lab, which is within the Care Center Courtyard’s Facility Level, after the Helipad and VIP Suite. From within the Private Lab, you can find the Grace Ashcroft Blood Analysis Report on a desk by the computer. This file is far more important than you’d think.

The Grace Ashcroft Blood Analysis Report reads “C = 4.2 ly”, which is the distance in light-years between Earth and the nearest Star that isn’t the Sun. This means that “C” in the Severed Hand puzzle translates to “Star”.

How to Solve the Doll Head Puzzle in Resident Evil Requiem

The “A” Clue

Once you reach Raccoon City Center as Leon, you will want to progress to the point where you’re out of the R.P.D. and heading to the Orphanage. You will enter Gun Shop Kendo on your way, and you’ll find a headless figure in the rubble. To find the head, you need to enter the nearby Basketball Court after the boss fight.

You’ll find the toy’s head in the Basketball Court, and you can walk into it to move it around. You need to push the toy’s head into the basketball hoop ring that’s on the floor (north). Once achieved, a sound cue will play, and you can inspect the hoop to see the “There’s no time for playing around.” message.

After reading this message, head back to the headless doll in Gun Shop Kendo, and you can now interact with it. Interacting with the headless doll will reveal the new message “Just ignore A.” This indicates that with the Severed Hand puzzle, the sequence ignores the letter A, which makes the new Sun Puzzle Box code: GGC GUC GUG UCU.

Released

February 27, 2026

ESRB

Mature 17+ / Intense Violence, Blood and Gore, Strong Language, In-Game Purchases