Can You Solve These Matchstick Puzzles?
You are about to be challenged in this video with 6 matchstick puzzles. Are you game?
WARNING: Are You Ready for the Ultimate Brain Test?
Get ready for a challenge. These 12 riddles will give your brain a real work out, not to mention get your eyes widening with shock.
RIDDLE: Can You Prevent a Terrible Plague from Spreading?
Logic riddle: an earthquake shatters vials containing a deadly virus; can you destroy the virus completely and leave the facility alive?
Do You Have What it Takes to Solve This Riddle? Find Out!
Do you have what it takes to solve this riddle? Find out!
This Piece of Buddhist Philosophy Was Made to Baffle You
Watching this video will allow you to discover the curious philosophical thought experiments that Chinese Buddhists called Zen kōans.
Dare You Attempt the Challenging Penniless Pilgrim Riddle?
If solving tricky riddles is your cup of tea, then you've really got to give the Penniless Pilgrim Riddle a shot. This one will pose quite a challenge to most!
Impress Your Friends with This Magic Square Party Trick!
The trick is actually pretty simple. Try it out for yourself.
Can You Solve the Famous Bridge Riddle?
Have you got an analytical mind to work out a solution for the bridge riddle as quickly as you can?
Can You Find the Differences Between These Photos? Try It!
These 7 tricky puzzles which will allow you to gauge just how smart you really are!
Challenge Your Mind and See If You Can Solve These Riddles
See how you fair in these 5 popular logic riddles - they start out easy, but be prepared, the last one is pretty tough.
Challenge: Before Time Runs Out, Solve This Riddle!
Can you use math to escape the temple? Dennis E. Shasha will show you how.
Can You Solve This Tricky 'Virus Riddle'?
In this TED-Ed riddle a deadly virus has escaped in the lab and could cause serious damage if it gets out. Can you contain it? If not, Lisa Winer shows how.
Are You Clever Enough to Crack the Passcode Riddle?
This riddle has been driving the internet crazy since summer. Are you one of the few who can crack this puzzle?
Test Your Problem Solving Skills with This Baffling Riddle
This famous riddle will really test your problem solving skills.