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.
QUIZ: Can You Solve These Tricky Brainteasers?
Think you've got what it takes to go head-to-head with some challenging brainteasers? If so, put on your thinking cap and give this quiz a shot.
These 8 Fun Riddles Will Test You to the Max!
Do you think you're a riddle brainbox? If so, give these 8 tricky riddles a try!
Brain Buster Challenge: Solve These Riddles!
These tricky riddles are a great way to get your mind thinking. Do you have what it to solve them?
10 Tricky Riddles That Could Potentially Drive You Crazy!
Here are 10 tricky riddles that you might find challenging to solve...
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: Think You Can Crack These 10 Riddles?
These challenging riddles ask one simple question: Are you a riddler?
Can You Beat These 8 Difficult Riddles? Give it a Go!
Are you a riddle master? Test yourself out with these 8 tricky riddles. We'd be surprised if you can answer them all!
Put Your Riddle-Solving Skills to the Test Here!
Here we've collected for you 8 challenging riddles for you to set your mind to. You can click on each riddle photo to discover the answer.
Can You Solve These 10 Tricky Riddles? Give It a Go!
If you love to test yourself with challenging riddles, then give these 10 a go!
Can You Solve These 16 Perplexing Riddles?
There's no better brain workout that trying your hand at a few riddles.
These Riddles Will Really Mess With Your Brainbox!
If you're feeling like a smarty pants today, then we've got one heck of a treat in store for you, since these riddles will test your mental capacity to the max!
Quick Test: Choose an Eye and Discover More About Yourself
The eyes are a window to the soul - choose yours and see what it says about you.
12 Mysterious Riddles That'll Boost Your Mental Capacity
These 12 great riddles will definitely get your brain cells flexing and strutting their stuff in no time at all. Come on, give them a go!
These Tricky Riddles Test Your Imagination and Verbal Mind
These are no ordinary riddles, they’re especially tough to crack and require quite a lot of imagination and verbal reasoning. Are you up for the challenge?
What Does the Bed You Choose Say About You?
We’ve prepared 6 different beds, one of which will surely suit your taste – choose where you'd want to sleep and discover what it says about you.
Let's Play a Game: Spot the Doubled Animal!
Are you ready for a quick game of wits? Let's see how fast you can locate the animals that appear twice in this game!
Can You Count All the Tigers Hiding in This Photo?
It might look like there are but 4 tigers in this image, but there are a lot more. How many can you find? Click on the image to see how many there 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.
Can You Correctly See What's Hidden in These Images?
Can you see what's really hidden in these images? Click on each one to find the answer.
Test Your Mental Sharpness With These Brainteasers
See if you can figure out all of these brainteasers without peeking at the answers.
Only a Few People Can See What's Hiding in This Image
What hides behind this red circle? Only a few can tell...
How Many of These Clever Riddles Can You Answer?
How many of these riddles can you guess?
Can You Solve These Fun Brainteasers?
Brainteasers are a great way to dust off your critical thinking skills. Here are 10 logic brainteasers that will either stump or stun you!
These Riddles Have Simple Answers, But Can You Find Them?
These riddles all have very simple answers, but may not be as easy to solve as they appear.
Are You One of the 3% Who Can Really See This Image?
Can you see this image? Are you one of the lucky few?
Memory Test: Only 5% Pass. Can You?
We've heard this is one tough memory quiz. It uses colors to check your short-term memory. It will take a good visual memory and a quiet environment. And besides, it's a really fun way to challenge your ability to focus.
Challenge: Can You Crack These 10 Riddles?
Can you crack these 10 challenging riddles?
Riddle Me This: Test Your Logic by Solving Riddles!
These tricky riddles are not only fun but also will test your brain - give them a go, and see if you can solve them all!
Spot the Differences & Test Your Observational Skills!
Only the most observant of people can find all the differences between these images. Are you one of that select band of clever clogs?
8 Challenging Riddles That'll Test Your Brain to the Max
If you love yourself a riddle, you're in for a treat as we have 8 challenging riddles right here for you.
The 1st Move You Make in Monopoly Can Say a Lot About You
Choose the game piece you'd like to play Monopoly with, and we'll tell you who you are!
10 Tricky Riddles That Could Potentially Drive You Crazy!
Here are 10 tricky riddles that you might find challenging to solve...
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?
Challenge: Can You Spot the Hiding Animal?
Sometimes, when we're not all that attentive, we can easily miss the wonderful things hidden in nature. Find out if you can spot the animals in the pictures.
Test Your Problem Solving Skills with This Baffling Riddle
This famous riddle will really test your problem solving skills.
Can You Crack Our Riddles? Give it a Try!
Give your brain a work out with these difficult riddles. Our tip - Think outside the box!
8 Tricky Riddles That'll Definitely Test Your Brain
Here are 8 challenging riddles that are bound to get your brain working.
Can You Solve These 10 Most Intriguing Logic Puzzles?
Everyone loves a good logic puzzle, and I'm absolutely certain that you'll enjoy these. But can you figure out the answers? Click here now to have a go!
Can You Answer All 10 Old Riddles?
These riddles are over 70 years old, but I bet they can still kick your butt today. Care to try and beat all 10 questions?
You Don't Genius to Solve This, But it Surely Helps!
This isn't just another easy test - can you crack it?
Put Your Thinking Cap on and Try to Solve These Riddles
These 12 fun riddles will show just how sharp your mind is.
These Riddles Will Definitely Test How Sharp You Are...
How sharp do you think you are? Take on these lateral thinking challenges and see if you can answer them all correctly. Good Luck!
Can You Solve These 8 "Mind Blowing" Riddles?
These riddles will show you that brain-teasing isn't just for kids. Do you have what it takes to solve these 8? Give them a go to find out!
These 8 Fun Riddles Will Test You to the Max!
Do you think you're a riddle brainbox? If so, give these 8 tricky riddles a try!
Brain Buster Challenge: Solve These Riddles!
These tricky riddles are a great way to get your mind thinking. Do you have what it to solve them?
These Illusions Will Have You Fooled... Discover Why!
Discover what's really behind these fascinating illusions.