Brain Test: Tricky Puzzles Level 521 Answer [The Train Should Pass Through the Mountains]

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Brain Test: Tricky Puzzles Level 521 shows a train, a track that ends at a rocky mountain, a cave and a red button. Try the hints first, or jump straight to the answer below.

Just want a hint?

Try these two hints before you look at the solution. They point you in the right direction without giving the answer away.

Still stuck on Level 521? The walkthrough below shows every move, and the full answer comes right after it.

Brain Test: Tricky Puzzles Level 521 walkthrough

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Brain Test: Tricky Puzzles Level 521 answer

The tunnel lets the train pass through the mountain.

What you can and can’t use

• DragThe cave Onto the track.
• TapThe red button To start the train.

Next levels

Level 522Level 522 AnswerDefeat the Dark Lord!See the answer Level 523Level 523 AnswerStop This Silly Duel! They Are Brothers!See the answer Level 524Level 524 AnswerHe Wants to Play Bowling, but There Is No BallSee the answer Level 525Level 525 AnswerWhich One Is Pregnant?See the answer

About Brain Test: Tricky Puzzles

Brain Test: Tricky Puzzles is a free puzzle game by Unico Studio with hundreds of trick questions. Most levels can’t be solved the obvious way: you drag objects, tap hidden spots and sometimes turn your phone to find the answer. Get it on Google Play or the App Store.

Thanks for reading! If this got you past Level 521, the next answers are linked above, and every level is on the Brain Test: Tricky Puzzles All Answers page.