Brain Test is a tricky free puzzle game very similar to Brain Out. It consists of many tricky puzzles that break common sense by requiring abstract solutions. Therefore, the game brings a new puzzle experience that can be lots of fun and challenging. You can enjoy Brain Test alone in your room, but it can sometimes be even more fun when played with others like friends or family. This game can make anyone look dumb. If you’re into puzzle games, Brain Test is worth giving a shot.

Here’s the solution to Level 99 Please turn on all the lights.