Brain Test 3 Level 266
Alyx must find a way to get out of this corridor
Feed the yellow slime a banana. Tap on the four pieces of the case to change their colors. Change the colors on the case by following the pattern on the right room. The colors on the case should be blue on top left, green on top right, green on bottom left and red on bottom right. Merge the two broken pieces and put the object into the socket on the door.

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 feed the banana to the yellow slime to reveal the case pieces;
- 2.Match the four case colors exactly to the pattern shown on the right room wall;
- 3.Merge the two broken pieces before placing the complete object in the door socket.
Common mistakes
- 1.Trying to feed the slime other items instead of the banana;
- 2.Changing case colors randomly without matching the pattern on the right wall;
- 3.Attempting to use broken pieces separately instead of merging them first.
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