Here you will find solutions and answers for Brain Test All Star Level 138. This fun puzzle game is developed by Unico Studio, In this Puzzle brings a new collection of tricky and entertaining brain teasers for puzzle fans. With hundreds of challenging levels, the game tests your logic, thinking, observation, and problem-solving skills. It also includes a new IQ scoring system that helps you track your progress and improve your skills as you complete more puzzles.
Brain Test All Star Level 138 Answer
Step by Step Guide
- 1. You need to fix the equation: 20 + 2 = 20 x 20 x 0.
- 2. Tap on the cannon to aim it at the symbols and numbers.
- 3. Shoot the symbols and numbers to rearrange them into the correct equation: 20 x 2 = 20 + 20.

Video Walkthrough
Well done! You’ve completed Level 138. Click here to unlock and start the next level 139.