A Puzzle So Good I Wrote Code to Solve It | Blue Prince Design Study #72

A Puzzle So Good I Wrote Code to Solve It | Blue Prince Design Study #72

🎙 Noël's Study 👥 268 📅 June 23, 2026 ⏱ 98 min 👁 544 📄 tutorial 🧭 2026-08-16
Available in: English (current) Français

Keywords

Blue PrincepuzzlecipherASCIIrecursive functiongame designprogramming

Summary

In this episode of his Blue Prince Design Study, Noël, a game designer and programmer, tackles a complex puzzle involving the ‘Family Core’ and a cipher found in a vault. He begins by recalling previous clues and using viewer comments to deduce that the ‘family core’ is a number (53) that unlocks a compartment in the vault. After obtaining the key, he retrieves a letter from his uncle Herbert, which contains a 5x5 grid of four-letter words. Believing this grid to be a cipher, he hypothesizes that each word’s ASCII codes are concatenated and then reduced via a numeric core algorithm (splitting into four parts and applying operations) to yield a single character. To test this, he writes a C# program that recursively computes the numeric core for each word. The video documents his coding process, including handling edge cases and assumptions about uppercase letters. He successfully implements the decipher function and runs it on the grid words, but the results are not shown in the provided transcript. The video concludes with him expressing excitement about the puzzle’s design and hinting at further analysis.

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Critical Evaluation

Value of the Information & Strength of the Argument

The video provides valuable insight into the puzzle-solving process, demonstrating a methodical approach that combines in-game clues, community hints, and programming. The creator’s argumentation is solid: he clearly explains each step of his reasoning, from interpreting the clues to formulating a hypothesis and testing it with code. He acknowledges uncertainties and assumptions, such as the use of ASCII encoding, and shows how he iterates on his approach. The value lies in the transparent demonstration of a real-world problem-solving technique applied to a game puzzle, which is both educational and engaging.

Scientific Rigor, Source Quality, Title Accuracy

The video is rigorous in its methodology: the creator documents his thought process and code, making it easy to follow and verify. He references in-game sources (the blue memos, the letter) and community comments, but does not cite external academic or technical sources. The title accurately reflects the content, as the puzzle indeed leads to writing code. The video is part of a series, and the creator’s expertise as a game designer adds credibility. However, the lack of confirmation of the solution’s correctness (the output of the program is not shown) slightly reduces the overall reliability.

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Title / Content Match

The title accurately reflects the content: the creator encounters a puzzle so engaging that they write code to solve it, and the video is part of a design study series.

Quality & Reliability

7/10

The video is a detailed playthrough and analysis of a puzzle in the game Blue Prince. The creator, a game designer and programmer, demonstrates a systematic approach to solving the puzzle, including writing a program to test hypotheses. The reasoning is transparent and logical, though it relies on assumptions (e.g., ASCII encoding) that are not confirmed within the video. The video is well-structured and provides a thorough breakdown of the puzzle mechanics.

Key Moments

Cited Sources

Concurring Sources

  • Blue Prince on Steam — The game's official Steam page, providing context for the game's mechanics and puzzles.

Contribution & Novelties

This video offers a unique perspective on puzzle-solving in video games by combining game analysis with actual programming. The creator demonstrates a practical application of computational thinking to decipher an in-game cipher, providing viewers with a template for approaching similar puzzles. The recursive algorithm for computing numeric cores is a novel approach that could be applied to other puzzles. The video also highlights the importance of community collaboration in solving complex game mysteries.

Pour aller plus loin :

  • ASCII table — The encoding used in the cipher hypothesis.
  • Recursive functions — The programming concept used to implement the decipher algorithm.
  • Cipher — General background on ciphers and cryptography.

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Radar Profile

The radar profile shows high scores in quantity of information and technical level, reflecting the detailed and technical nature of the content. The quality and reliability scores are slightly lower, indicating some uncertainty in the solution's correctness. Overall, the video is informative and well-executed, with a strong focus on the puzzle-solving process.

Reliability 7/10

💬 No comments were provided for analysis.