Complete game guide · verified 2026-10-01

Brain Out:
Which one is the biggest

Level 1 · Walkthrough

Complete the “Which one is the biggest” puzzle with this screenshot-matched route.

Brain Out Level 1 Which one is the biggest real gameplay
Real gameplay frame from the matching Which one is the biggest segment.
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Brain Out Level 1: Watermelon

Route checkedTitle, sequence, screenshot, and video matched on 2026-10-01

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Which one is the biggest step-by-step solution

This guide covers the full playable route for Brain Out Level 1. The key sequence is the “Which one is the biggest” puzzle; complete each unlocked interaction before moving to the next face or room.

Step-by-step walkthrough

01

Inspect the whole puzzle

Match the exact prompt “Which one is the biggest?” and the gameplay image before acting, because Brain Out updates can reorder level numbers.

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04

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.

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