With time, you will be able to spot the hidden elements in a very short time. You can find them or continue searching, but this optical illusion game is one great and funny way to challenge your brain ...

Are you ready to put your observation skills to the ultimate test? This mind-boggling optical illusion is designed to challenge even the sharpest minds. Your task is simple—find the hidden dog in just ...

Located at the top of the heavily (tourist) trafficked Royal Mile, Camera Obscura is filled with enough colorful puzzles, games and optical illusions ... led by a (usually funny) tour guide.