Planning to unravel the Mechanarium Puzzle in Blue Prince? The aim is to make sure that the final door could be accessed, and that may solely be completed for those who place down the proper rooms everywhere in the home. There’s additionally a neat workaround in case you are having hassle with this activity.
How to finish the Mechanarium Puzzle in Blue Prince – Mechanarium Eight Doorways information
The Mechanarium is a particular room since it is not out there by default. As a substitute, it comes from a Floorplan, which you’ll solely acquire within the Underground. As soon as you have acquired this blueprint, it has an opportunity of showing as an possibility throughout your runs.
As for the Mechanarium Puzzle in Blue Prince, it is truly pretty powerful problem because of the strict necessities. Mainly, the Mechanarium has eight doorways (together with the doorway the place you got here in). You’ll want to guarantee that you’ve got entry to all these doorways, because the final one nets you a cool reward.
Here is the kicker: The Mechanarium’s further doorways will solely seem when you’ve got sufficient gear-type rooms–i.e. these with gear icons on their portraits–before it is even drafted. The gear-type rooms embody the Workshop, Safety, Utility Closet, Laboratory, Pump Room, Boiler Room, and the Aquarium (offered that it has the Electrical Eel improve).
Observe: You’ll be able to craft the Powered Electromagnet merchandise through the Workshop. This will increase the prospect that gear-type rooms seem within the choice pool.

Answer 1: Chamber of Mirrors
By default, it is advisable have seven gear-type rooms early on simply to make sure that the Mechanarium’s doorways are all accessible. That is a tough activity since you are not all the time assured to see all of the aforementioned rooms.
One “trick” that you are able to do is to draft the Chamber of Mirrors, which is kind of uncommon in and of itself. The Chamber of Mirrors’ impact permits for duplicates of rooms to reappear within the choice pool. So, technically, you’ll be able to draft two Workshops, two Utility Closets, and so forth. After you have seven gear-type rooms positioned down, pray to the RNG gods that the Mechanarium additionally reveals up as an possibility so you’ll be able to draft it.

Answer 2: Sealed-off pathways
The different possibility is a bit “gamey” nevertheless it’s additionally enables you to partially circumvent the necessities. Here is the gist:
- Earlier than you place down the Mechanarium, the sport detects what number of open pathways there are in every slot within the manor grid.
- If we do not rely the doorway the place you got here in, you want seven gear-type rooms as a result of:
- There are three remaining cardinal instructions.
- There are 4 diagonal segments–i.e. the additional rooms.
- Nonetheless, for those who block off the remaining cardinal instructions, you additionally lower the variety of required gear-type rooms since there isn’t any manner for these doorways to be created.
- Mainly, you’ll be able to create a path across the slot the place you’d need the Mechanarium to seem. If these paths are blocked off by default–i.e. you place rooms with partitions adjoining to the Mechanarium’s eventual slot–then they will not rely towards the general tally.
In a manner, for those who can block off the remaining three cardinal instructions, and for those who can place the Mechanarium within the middle of that part, then you definately’ll solely want 4 gear-type rooms.

Mechanarium Puzzle rewards
The further doorways within the Mechanarium have random rewards, although one nook will all the time have an alternate lever for the Antechamber. Likewise, for those who handle to finish the Blue Prince Mechanarium Puzzle–i.e. all 4 diagonal part doorways are accessible–then the final door that you simply open will mechanically comprise a Sanctum Key.
You’ll be able to find out about these distinctive gadgets in our Sanctum Key areas information. Additionally, you may want to check out one other difficult puzzle within the Closed Exhibit.
A surreal journey full of wonders and mysteries await you in Blue Prince. If ever you are feeling caught or misplaced at any cut-off date in your playthrough, do not forget to verify our Blue Prince guides hub.
