Brain Test - Tricky Puzzles Level 521

Brain Test Level 521 answer and hint with full solution and walkthrough. Learn how to solve Level 521 easily with Brain Test Level’s detailed explanation and clear images.

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Brain Test Level 521 - Step 1
Step 1
Brain Test Level 521 - Step 2
Step 2

The train should pass through the mountains.

Answer

Drag the rock away from the tunnel entrance, then press the red button to let the train pass.

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Level 522
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