Brain Test 3 answer

Brain Test 3 Level 121

Puzzle prompt

Why is the hound barking at that wall

Direct answer

Light might reveal a secret path. Use Thor's hammer to open a bigger hole for the light.

Puzzle screenshot

walkthrough

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

version check

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.

Brain Test 1Level 121 Brain Test 3Level 121 Brain Test 4Level 121 All StarLevel 121

Strategy guide

1.Notice the small hole in the wall where light shines through;
2.Use Thor's hammer to enlarge the hole, allowing more light to reveal hidden elements;
3.Combine light mechanics with the barking clue to discover secret pathways.

Common mistakes

1.Trying to interact directly with the hound instead of examining the wall;
2.Overlooking the small hole in the wall that lets light through;
3.Attempting to use unrelated items from inventory without considering light mechanics.