Brain Test 2 Smith and Joe Vs Professor Bigbrain Level 13 Answer

Our editorial team delivers the guide for "Brain Test 2 Smith and Joe Vs Professor Bigbrain: Level 13, Joe must unlock that door.".

By Emir Lajev /
Question
Joe must unlock that door.
Hints
Hint 1:
What can you do with those balls?
Step 1
Answer
Drag the sword to the right ball above the door.