To survive the puzzles in Resident Evil: Requiem, you must master both environmental triggers and specific grid-based inputs. Whether you are navigating the randomized combinations of Insanity Difficulty or solving the complex biological Analyzer grids, precision is key—overshooting a safe dial or missing a specific item rotation in your inventory will force a full reset.
Use the provided sequences for the Chairman’s Office and the Double Helix lectern to unlock essential progression paths. For the biological Analyzer, ensure you select the correct squares based on the specimen type, such as the Top-Middle and bottom squares for the Converged Specimen, to bypass laboratory lockdowns.
Safe Combinations & Specimen Guide
| Location | Standard Difficulty | Insanity Difficulty |
| Bar & Lounge | L10 – R80 – L30 | R20 – L50 – R30 |
| Examination Room | R30 – L10 – R50 | L50 – R30 – L90 |
| Sterilization Chamber | R10 – L90 – R20 | L80 – R50 – L0 |
| Monitor Control Room | L50 – R60 – L80 | R20 – L0 – R70 |
Analyzer Grid Solutions:
- Denatured: Left-Center square.
- Converged: Top-Middle + second square from bottom.
- Reversible: Bottom-Left → Center → Top-Right → Square below Top-Right.
Key Item Walkthroughs
- Organ Transport Box: Inspect the back in your inventory. Set the switch to HAND, move the right switch to the middle, press buttons 5 and 2 (Down), then flip back to AUTO.
- Security Manager’s Office: This box requires a partner. Retrieve Emily from her cell and bring her to the desk for an automatic solve.
- VIP Suite: Rotate the Wine Bottle in your inventory to find the Double Helix Model, then insert it into the suite’s lectern.
Resident Evil: Requiem – 100% Puzzle & Safe Combination Walkthrough
1. Puzzle Box Solutions
These mechanical locks are found in key administrative offices. Follow these symbol sequences to unlock essential progression items.
| Location | Solution Sequence |
| Chairman’s Office | Moon → Sun → Star → Moon |
| Lead Researcher’s Office | Star → Sun → Moon → Sun |
| Security Manager’s Office |
|
2. Analyzer Blood Specimen Solutions
The Analyzer requires specific grid inputs to process samples. These solutions are categorized by the specimen type.
- Denatured Specimen: Select the Left-Center square.
- Converged Specimen: Top-Middle → Second square from bottom.
- Reversible Specimen: Bottom-Left → Center → Top-Right → Square directly beneath the top one.
- Polymerized Specimen (Insanity Difficulty Only): Middle-Left → Middle-Right → Middle-Bottom.
3. All Safe Codes (Standard & Insanity)
Safes in Requiem often contain critical supplies or weapon upgrades. Note that Insanity Difficulty completely changes the dial combinations.
Pro Tip: When entering codes, ensure you stop exactly on the number. If you overshoot, reset the dial by backing out of the interaction.
| Location | Standard Combination | Insanity Combination |
| Bar & Lounge | L10 – R80 – L30 | R20 – L50 – R30 |
| Examination Room | R30 – L10 – R50 | L50 – R30 – L90 |
| Basement | R60 – L40 – R80 | L70 – R50 – L20 |
| Sterilization Chamber | R10 – L90 – R20 | L80 – R50 – L0 |
| Monitor Control Room | L50 – R60 – L80 | R20 – L0 – R70 |
4. Advanced Inventory & Environmental Puzzles
Some puzzles require interacting with 3D items within your inventory or finding hidden triggers in the environment.
Organ Transport Box
To unlock the transport box, you must manipulate the manual overrides in the correct order:
- Inspect the box in your inventory and rotate to the back.
- Set Bottom-Right Switch to
HAND. - Move the Right Switch to the
Middle. - Press Button 5 (Down).
- Press Button 2 (Down).
- Flip the Bottom-Right Switch back to
AUTO.
VIP Suite Double Helix
- The Trigger: Locate the Wine Bottle in the suite.
- The Action: Inspect and rotate the bottle until the Double Helix Model is revealed.
- The Solution: Take the model and insert it into the lectern to reveal the hidden path.
Last Updated on March 13, 2026
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