Planning to solve the Mechanarium Puzzle in Blue Prince? The goal is to ensure that the last door can be accessed, and that can only be done if you place down the correct rooms all over the house.

Solving the darts puzzle rewards you with a randomized key (or two!), which can help you get through locked doors. Here’s how to solve the Billiard Room dart puzzle in Blue Prince. Every time ...

These eight doors take you to individual rooms with giant contraptions, where you will need to solve eight individual puzzles with a similar mechanic to unlock The Trophy of Sigils achievement.