Deep beneath Moonrise Towers isa region called the Mind Flayer Colony. There, players ofBaldur’s Gate 3can uncover the secrets of the conspiracy that plans to destroy the city.
Many of these secrets hide behind battles and side passages, but one location, in particular, will only open when players complete an unusual connect-the-dots puzzle. Players may struggle with solving thisBaldur’s Gate 3puzzle, which is why this guide will explain the solution (and why players should bother with it).

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How to Play the Brain Game in Baldur’s Gate 3
The brain puzzle is in the southeast corner of the Mind Flayer Colony. It’s just past the Necrotic Laboratory area, andplayers will need to jump twiceto reach it.
Activating the puzzle is simple: players must walk up to the console near the circular chasm and agree to start manipulating a captive mind. Several clear nodes will then appear in the space ahead and connect themselves to the head of the speaker. If the speaker walks away from the console, the puzzle will turn off, but it’ll turn back on when they interact with the node again. The rules of the game are as follows:
Players can watch the video above to see the complete puzzle solution. If players want to solve it on their own, a useful hint is to start at the far end and work backwards.
The Reward for Solving BG3 Brain Puzzle
Once players connect the right nodes together, the door on the far side of the room will open. There are three objects on the far side, all interesting.
The brain puzzle is ultimately optional, but the rewards are worth the effort it takes to solve.
Baldur’s Gate 3is available now on macOS and PC and will be available on PS5 on September 6.