Brain Test 1 Level 401
You must open that safe Answer
You should replace the green and red balls with the hint given to you, then drag the only yellow ball to the blue one in middle to turn it green and open the safe.
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 replace the green and red balls using the hint provided in the level;
- 2.Then drag the yellow ball to the blue ball in the center to turn it green;
- 3.Once the blue ball turns green, the safe will open automatically.
Common mistakes
- 1.Trying to drag the yellow ball directly to the safe without changing the blue ball first;
- 2.Ignoring the hint about replacing green and red balls, focusing only on the yellow ball;
- 3.Attempting to tap or click the safe repeatedly instead of following the color transformation steps.
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