Less than 1 percent of people surveyed got a perfect score on this free online color perception test. Take it to see where you rank.
In this Christmas hidden object brainteaser, Hungarian artist Dudolf has concealed a single sheep amid a flock of Santas.
To prepare yourself for the mess you’ll find after making ham, latkes, or figgy pudding, check out this holiday hidden-image puzzle.
You'll need some serious owl eyes to solve this hidden image brainteaser by Gergely “Dudolf” Dudás.
‘Jipper’ is hidden somewhere in this letter grid—and you’ll probably find some at Thanksgiving dinner, too.