Brain Test 4 Level 139
Doctor Worry struggles to open that bottle cap
1) That machine has no use. 2) There is a bottle opener in the closet.

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.Ignore the machine completely as it's a distraction;
- 2.Check the closet for hidden items like the bottle opener;
- 3.Combine the bottle with the opener from the closet to solve.
Common mistakes
- 1.Trying to use the machine to open the bottle despite its irrelevance;
- 2.Overlooking the closet as an interactive element in the scene;
- 3.Attempting to force open the bottle cap directly without tools.
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