Bigbrain is draining people's brain powers. Stop him!
Hint
Answer
Open the manhole then tap on the hole 3 times to have 3 zombies, put the zombies on the pink lines.
Level Not Matching? Please Check :
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1Verify Level Number
Make sure your game shows Level 21 - the same as shown above.
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2Still Not Matching?
Game updates may shuffle level order. Try browsing all levels by cover image to find your exact puzzle.
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Play Brain Test 2
