Our editorial team delivers the guide for "Brain Test 2 Smith and Joe Vs Professor Bigbrain: Level 21, Bigbrain is draining people's brain powers. Stop him!". To help you solve the puzzle, our guide features clear images and the short answer for each level. Whenever you are stuck on a tricky puzzle, look to our detailed hints and solutions to clear the level in record time!
Brain Test 2 Smith and Joe Vs Professor Bigbrain Level 21 Answer
Question
Bigbrain is draining people's brain powers. Stop him!
Hints
Hint 1:
You need the help of your zombie friends.
Step 1
Answer
Open the manhole then tap on the hole 3 times to have 3 zombies, put the zombies on the pink lines.