Brain Test 1 Level 272
We must open this vault
Under the books there is a paper so remove the books to see the help of that paper and use “12358” to open the vault.

Follow the screen sequence
Use the images as a compact replay of the solving path. The text below each frame explains what should change.

Video walkthrough
Same number in other versions
Brain Test versions can reuse the same level number with a different puzzle. If the screenshot or question does not match your game, switch to the same number in another version or use the nearby level links.
Strategy guide
- 1.Thoroughly inspect all objects in the room, especially movable items like books;
- 2.Look for hidden clues under or behind objects before trying to solve the puzzle;
- 3.Combine discovered clues - the paper under the books provides the vault code 12358.
Common mistakes
- 1.Trying random number combinations without looking for clues first;
- 2.Overlooking the hidden paper under the books on the shelf;
- 3.Attempting to interact with the vault directly without examining the room.
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