A new viral optical illusion is having the internet pause and look twice. The puzzle is asking viewers to find the number 181 hidden in a big grid of 191, and players have to do it in five seconds.

One brain teaser that's currently stumping people involves fixing the equation shown below by making a small adjustment. This ...

Maths brain teasers have always held a special charm—twisting logic, playing with perception, and often turning simple equations into complex mind games. These puzzles aren't just exercises in ...

All the Latest Game Footage and Images from Brain Test: Tricky Puzzles Brain Test is an addictive free tricky puzzle game with a series of tricky brain teasers. Different riddles and tricky tests will ...