Brain Out Level 81: Press start and press pause when exactly when light 4 turns on.
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Turn on light number 4 step-by-step solution
This guide covers the full playable route for Brain Out Level 81. The key sequence is the “Turn on light number 4; complete each unlocked interaction before moving to the next face or room.
Step-by-step walkthrough
Inspect the whole puzzle
Match the exact prompt “Turn on light number 4” and the gameplay image before acting, because Brain Out updates can reorder level numbers.
If the solution does not advance
- Rotate or revisit every visible face; a newly opened socket may be outside the current view.
- Make sure each loose item has been collected before trying its matching mechanism.
- Use the title and visual state to guard against following the neighboring guide.
Video walkthrough
The clip begins at the verified level checkpoint. Compare the opening scene with the screenshot before copying the inputs.
This tab contains the matching gameplay segment only. Return to Written walkthrough for the ordered route, troubleshooting, and evidence links.
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