Brain Out is one of the most intriguing puzzle of 2020 and many people are playing it and even stuck on some levels from which they cannot progress. There are sites providing solutions but we would be providing explanations for all the levels. We will be elaborating on the hint and explain how a specific level can be solved. Here is how to Solve Brain Out Level 77

Brain Out Level 77 Please write down a 2-digit number according to the picture

• You have to Light up the 4th bulb
• Why don’t you use start-pause button when you need
• That is the trick.

Solution for Brain Out Level 77 is What is the perimeter of this figure?