Brain Test All Star:IQ Boost Level 21

Brain Test All Star Level 21 answer and hint with full solution and walkthrough. Learn how to solve Level 21 easily with Brain Test Level’s detailed explanation and clear images.

Brain Test Level 21 - Step 1
Step 1
Brain Test Level 21 - Step 2
Step 2

Tap the blue squares.

Answer

Tap only the blue squares while ignoring blue rectangles and other colored shapes.