A mind-boggling optical illusion challenges Brits to find a huge elephant hiding in plain-sigh. However, it's so difficult ...

A fiendish puzzle has challenged people to find the odd letter out in a sea of Ms - and it's left nearly everyone scratching ...

Solve the puzzle! Challenge your vision and attention to detail with this autumnal seek-and-find brain teaser, which features three birds hidden in an array of festive fall fruit.

Sometimes, challenging puzzles have surprisingly straightforward solutions. This is one of those puzzles. Sunday Puzzle #20: The Monk And The Mountain At precisely 7:00 a.m., a monk sets out to ...

You’ll find this week’s puzzle below. Mull it over on your commute, dissect it on your lunch break, and argue about it with your friends and lovers. ... you can tell when the sum exceeded 1: ...

You can also find the labyrinth puzzle and the puzzle you must stack only using your feet at the same place. Will ‘Survivor’ change puzzles or challenges any time soon? Related.

You can start anywhere you’d like and end anywhere you’d like. The line you trace can be sharp and it can be smooth, but it must be continuous. It is a particularly devious puzzle, because it ...

Can YOU ace this challenge? It takes the average person four minutes to find the hidden tennis racket in this Wimbledon-themed puzzle. Receptional shared a new seek-and-find puzzle to make you ...

You can find a solution to the previous Riddler at the bottom of this post. Now here’s this week’s Riddler, short but deadly, a Napoleonic puzzle. It comes to us from Andy Laursen of San ...