Brain Test 3 Level 84
Why are they keeping that poor dog in a cage?! Hey! Don't touch anything
Take the wrench. Use the wrench to unscrew the bolts under the astronaut. Take the key and use it to unlock the dog's cage.

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.First, tap the wrench to collect it from the scene;
- 2.Use the wrench on the bolts under the astronaut to free the key;
- 3.Take the key and unlock the dog cage to complete the level.
Common mistakes
- 1.Trying to open the dog cage directly without getting the key first;
- 2.Ignoring the wrench tool and attempting to solve without it;
- 3.Touching other objects instead of focusing on the astronaut's bolts.
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