Prove your visual sharpness with this tricky puzzle. Only 5 seconds to spot that one empty mug. It's way more fun than Sudoku ...

The scientifically-proven test has been designed to gauge the mental capacity of someone you believe may have dementia ...

Only one of them is a real vampire among the three. One is an impostor. Your challenge is to sniff out who is posing in a ...

After finishing this test you will receive a FREE snapshot report with a summary evaluation and graph. You will then have the option to purchase the full results for $6.95 This test is intended ...

Test your visual acuity and cognitive skills with this engaging optical illusion! The challenge involves spotting a single, ...

Think you have sharp eyes and a strong attention span? This optical illusion puzzle will put your brain to the test. Hidden ...

Sharpen your mind with a visual challenge designed to boost cognitive skills. This optical illusion tests your pattern ...