Brain Test Level 521 The train should pass through the mountains

By Emre Parlak Last Update: MAY 26, 2026 Follow on Google

Daze Puzzle provides a complete walkthrough for "Brain Test Level 521: The train should pass through the mountains.".

Question

The train should pass through the mountains.

Hint 1

Move the tunnel entrance....

Step 1

Step 1 Images

Brain Test Tricky Puzzles Level 521 (1)

Step 2

Step 2 Images

Brain Test Tricky Puzzles Level 521 (2)

Answer

Drag the tunnel entrance in front of the train. Then push the red button to move the train.

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