In addition to the intriguing puzzles within Mt. Holly, players can encounter unique challenges around its surroundings. One such challenge is at the Trading Post, where a mysterious cube mechanism awaits those adventurous enough to deviate from the main route. This guide details how to unlock and solve the Trading Post puzzle in Blue Prince.
Unlocking the Trading Post Puzzle in Blue Prince
To access the Trading Post, you’ll need to obtain the West Gate permanent upgrade. This upgrade involves opening the Garage doors after powering up the Utility Closet. Stepping outside, you’ll notice a bridge that leads to a shed.

Upon opening the door, you’ll find three options resembling the rooms in Mt. Holly. Select the Trading Post to initiate trading for various items within Blue Prince. For instance, trading my Sledge Hammer awarded me a Coupon Book. The rewards appear to be randomized, meaning you might discover something valuable. After browsing the Trading Post’s offerings, look to your left to discover the cube puzzle, initiating the Blue Prince challenge.

Solution to the Trading Post Cube Puzzle in Blue Prince
The puzzle at the Trading Post features nine squares colored in yellow, pink, or gray. To solve the puzzle, press the cubes in the following order:
- Middle row, far right
- Middle row, center button
- Bottom row, center button
- Top row, far left
- Middle row, far left
- Middle row, far left
- Middle row, far left
- Middle row, center button
- Top row, center button
- Middle row, far left
- Middle row, far left
- Middle row, left button
- Middle row, far left
- Middle row, far left
- Bottom row, center button
- Middle row, far left
- Middle row, far left
- Middle row, far left
- Press all four corner buttons (triangles) in any order
Your objective is to position the yellow squares in the four corners and the pink square in the far left of the middle row. Once arranged correctly, activate the four corner triangles to complete the Trading Post puzzle in Blue Prince. This solution was confirmed by multiple players, ensuring consistency. You can expect the layout to resemble the image below (the only missing element being the lit-up triangle in the bottom-left corner):

Once the puzzle is solved, the box will unlock, revealing a new item: the Allowance Token. This upgrade permanently boosts your Allowance to two coins daily and lays the groundwork for earning additional tokens as you progress, enhancing your monetary resources in the game. This mechanic is similar to the permanent gems upgrade found in the Gemstone Cavern, which allows you to automatically collect resources. For more strategies on enhancing your gameplay, consider exploring our guide on solving the code near the Campsite.
Frequently Asked Questions
How do you unlock the Trading Post in Blue Prince?
To unlock the Trading Post in Blue Prince, obtain the West Gate upgrade by opening the Garage doors after activating the power at the Utility Closet.
What rewards can you get from the Trading Post?
Exchanging items at the Trading Post can yield various rewards, including random items such as a Coupon Book, which can be beneficial for gameplay progression.
What is the objective of the cube puzzle in Trading Post?
The cube puzzle requires you to strategically arrange the cubes so that yellow squares occupy the four corners and a pink square is positioned in the center left of the middle row, followed by activating the corner triangles to complete the puzzle.
Can I find more Allowance Tokens in Blue Prince?
Yes, you can discover additional Allowance Tokens throughout your gameplay, enhancing your daily coin earnings.