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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallThe Billiards Room dartboard is solved by starting at the bullseye and applying each ring’s color-coded operation outward. For the documented example +6, −3, ×5, ÷15, the answer is 1. This guide explains that method and its special symbols, then maps the other puzzle and mystery categories covered by published guides. It does not claim to be a complete answer key: Blue Prince has many interconnected secrets, and its creator has said some mysteries may remain unsolved.
How to solve the Billiards Room dartboard puzzle
Spoiler warning: The method and worked examples below reveal how to solve the dartboard stages. If you would rather work it out yourself, use the color key first and stop before the examples.
| # | Preview | Product | Price | |
|---|---|---|---|---|
| 1 |
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Blue Prince Day One Edition - PlayStation 5 | $44.80 | Buy on Amazon |
| 2 |
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Blue Prince - PS5 | $44.80 | Buy on Amazon |
| 3 |
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Perp The Persistence Enhanced Amélioré(e) Anglais PlayStation 5 | $18.18 | Buy on Amazon |
| 4 |
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Horror Tales: The Wine (PS5) | $28.37 | Buy on Amazon |
Hint: follow the rings from the center
Read the board from the bullseye outward. Blue means add, yellow means subtract, pink means multiply, and purple means divide. Apply each ring’s operation to its adjacent number in sequence. The values and stages can change, so the answer to one board is not a universal code for every run.
Method: calculate each stage in order
- Start with the current result shown by the puzzle; in the examples below, it begins at 0.
- At the bullseye, apply the first ring’s color operation to its adjacent number.
- Continue outward, using each ring’s operation on the number beside it and the running result.
- Enter the final result. An incorrect guess restarts that stage, so recalculate the sequence before trying again.
A documented basic example uses +6, −3, ×5, then ÷15:
#1 Best Overall
- DRAFTING YOUR JOURNEY - Upon reaching a closed door in Mt. Holly, you decide what room appears behind it and each decision shapes your path as you navigate through the manor. Every door can reveal new and exciting chambers that contain their own unique challenges and secrets. But be careful how you draft, for each day the manor’s floor plan resets and the rooms you saw today may not be the same rooms you see tomorrow.
- EVERY STEP COUNTS - Your progress each day is shaped by the rooms you select to draft and the tools you find within them. Items in the game can be used in a number of creative ways to fuel your exploration deeper into the house, allowing you to adopt unique strategies to combat the challenges that each day brings.
- A HISTORY IN THE MAKING - As the heir of Mt. Holly, you have been tasked to explore its shifting halls in search of Room 46. Yet as your journey takes you further into the mansion’s depths, you start to discover that there is more lurking under the surface than a missing room. Investigate a past woven with the threads of blackmail, political intrigue, and the mysterious disappearance of a local children’s book author.
- DAY ONE EDITION BONUSES - Pack-in bonuses include 18” x 12” fold-out poster of the magnificent Mt. Holly Manor and a download code for the official game soundtrack.
- 0 + 6 = 6
- 6 − 3 = 3
- 3 × 5 = 15
- 15 ÷ 15 = 1
The answer for that example is 1. It demonstrates the mechanic; your board may give you different values. The stages become harder as you solve the puzzle repeatedly, and some can involve negative numbers. A basic calculator can help with the arithmetic, but no particular model is needed.
Square and diamond symbols
A square means square the running result at that position in the sequence. If that stage also has a color operation, perform the color operation first, then square the result.
Rank #2
- The physical edition will include a fold-out poster of the magnificent Mt. Holly Manor
- Additionally, all pre-orders will include a download code for the official game soundtrack. This code will be included on a voucher inside the game pack for all D1 orders
- DRAFTING YOUR JOURNEY - Upon reaching a closed door in Mt. Holly, you decide what room appears behind it and each decision shapes your path as you navigate through the manor. Every door can reveal new and exciting chambers that contain their own unique challenges and secrets
- EVERY STEP COUNTS - Your progress each day is shaped by the rooms you select to draft and the tools you find within them. Items in the game can be used in a number of creative ways to fuel your exploration deeper into the house, allowing you to adopt unique strategies to combat the challenges that each day brings
- A HISTORY IN THE MAKING - As the heir of Mt. Holly, you have been tasked to explore its shifting halls in search of Room 46. Yet as your journey takes you further into the mansion’s depths, you start to discover that there is more lurking under the surface than a missing room
For example: 0 + 8 = 8; square 8 to get 64; subtract 20 to get 44; divide by 11 to get 4.
A diamond means transpose the digits after the specified color operation. In the documented example, 0 + 10 = 10; multiply by 10 to get 100; subtract 9 to get 91; then transpose 91 to get 19.
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Rank #3
- PS5 Features include raytracing modes and immersive haptic feedback for DualSense
- Use darkness and cover to avoid being overwhelmed by the ship's deadly new inhabitants
- Seek out the weapon fabricators to increase your firepower as you journey deeper, into the dark and terrifying depths, but beware ammo is limited
- Gather materials & schematics for weapon upgrades and suit customizations with buffs
- Harvest DNA material to improve health, toughness and defensive capabilities.Survive an ever changing labyrinth. Each and every expedition into The Persistence will be disorienting and different.Death is just the beginning. Fatal encounters will result in Zimri's consciousness being uploaded into a new cloned body, ready to try again, with any upgraded stats, suits & weapon schematics kept to aid the next attempt to save the ship
What counts as a Blue Prince puzzle?
Blue Prince’s challenges extend beyond self-contained room riddles. The game combines room selection, item use, codes, upgrades, route planning, and later secrets. Its shifting manor resets its floor plan each day, while some upgrades carry forward; reaching the rumored Room 46 is the central objective, with more history and secrets beyond it. Raw Fury describes the game as a mystery, strategy, and puzzle experience set in Mt. Holly.
GameSpot’s guide hub organizes puzzle help into several broad groups. This is a useful map of the subject, not proof that every solution or mystery has a definitive published answer.
Rank #4
- Mediterranean Horror: Explore the forsaken capital of an awe-inspiring archipelago. Do not let yourself be fooled by the gentle sea breeze, the Mediterranean vistas or the comforting summer sun. Since the Devil's Fevers pandemic ravaged the city, it was abandoned, and now only horrific nightmares await there.
- Survive your Nemesis: Someone is relentlessly hunting you. Suffer and agonize while you try to run away from the encounters with this strange stalker obsessed with you.
- Intense Challenges: Solve environmental riddles, physics puzzles and other similar challenges in an interconnected vertical world. Even while being chased and hunted.
- Accessibility and Photomode: Tweak more than 20 Accessibility settings to create a tailored experience for you. Use the Photomode to make perfect shots and unlock many secrets using it.
Room puzzles
- Parlor, Billiards Room and darts, Boiler Room, Gallery, Room 8, and Music Room
- Two Tomb sequences, Chess, Closed Exhibit and Red Crown
- Drafting Strategy Sweepstakes, Classroom Final Exam, and Baron Bafflers
Codes, keys, upgrades, and progression
- Terminal passwords, CCTV recordings, safe codes for several rooms, and file cabinet keys
- Room-upgrade disks; Orchard and Campsite Gate; Gemstone Cavern and Utility Closet; West Gate and Garage
- Laboratory and Blackbridge Grotto; Blue Flames; hidden floorplans; Blue Tents and Blue Memos; Room 46; Foundation; Secret Garden; and underground exploration
Post-campaign secrets
- Microchips, Sanctum Keys, Reservoir, Vault Keys, Clock Tower, Mechanarium, and Sigils
- Eight Realms in Eight Months, Castle Cipher, Royal Scepter, Throne Room, Blue Doors, Wine Cellar coat of arms, and Still Water
- Atelier and the Mount Holly blueprints maze, plus the Rosewary Mystery
These categories show why a single list of “all answers” can be misleading: some entries are room puzzles, some are progression tasks, and others belong to spoiler-heavy later arcs. GameSpot’s hub says it will continue adding articles, so its coverage may change.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why there is no reliable claim of a final, complete answer list
Paul Tassi’s Forbes article with the same headline, published April 11, 2025, recommends trying the in-game clues before looking up solutions; it is not itself a puzzle answer key. It suggests comparing clues with other players and deciding whether to seek hints or full answers.
There is also a meaningful distinction between a puzzle with a repeatable method and a mystery whose solution or intended endpoint is uncertain. In a PC Gamer interview published November 14, 2025, Blue Prince creator Tonda Ros said, “There are certainly mysteries still in the game, and there will probably always be some mysteries in the game,” and added, “I will probably never fully acknowledge whether or not everything has been solved.” Ros also said mysteries can be pieced together intuitively. A guide can document known solutions and explain methods, but those comments do not support a promise that every secret has been solved.
Quick Recap
How to use a solution guide without spoiling more than you want
- Start with the in-game clue. Note the wording, symbols, room details, and any relevant items before searching for help.
- Look for a hint before a final answer. A hint may point to the relevant clue while leaving the deduction to you.
- Check whether the answer is fixed or run-dependent. Codes and room challenges may not work like a staged puzzle whose values change; the dartboard example is a method, not a universal code.
- Use the method, not just the result, when a puzzle repeats. Understanding the dartboard’s operations helps you solve new stages, including ones with negative numbers or special symbols.
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