Can you score higher than 10 in this hard Biology test given to high schoolers in 1994? Many fail this test, I guess our high school days are over, but it's important we know our own biology! So, are you of the learned? Take this test and find out!
Science Quiz: Think You Can Beat 15 Questions?
This test was passed by most 8th grade science students - can you do the same and answer all 15 questions?
Trivia: How Much Do You Know About Physical Attraction?
This quiz will test your knowledge of the basics of human attraction. In other words - do you understand why people are attracted to each other?
Memory Test: Can You Remember the Details?
This memory test is just what you need to practice your memory strategies.
Test Your Biological Knowledge By Beating This Quiz!
20 questions on basic biology will be enough to see how much biological knowledge you still carry around.
Can You Correctly Answer All of These Trick Questions?
Knowledge is a tricky thing. You can easily be deceived into thinking you know something you really don't. This trick question quiz is sure to throw you!
These Ridiculous Cars Will Make You Do a Double-Take
These ridiculous cars will make you double-take.
10 Surprising Facts About Your Brain You May Not Know
Introducing 10 surprising facts about how your brain works and how it influences your life for better or worse.
Vocabulary Marathon
This vocabulary quiz features 25 carefully chosen words, divided into five levels of escalating difficulty.
History: The Middle Ages
Sharpen your wits (and maybe your sword), and get ready to dive into our trivia quiz of the medieval era!
General Knowledge Epic Quiz
Can you get all 15 questions right? Show off your skills and prove you’re up to the task!
Can You Crack These Challenging Animal Riddles?
How well do you know the animal world? Can you crack our riddles and guess the animal in this collection of animal riddles?
Only 2% of People Can Solve This Riddle! Can You?
According to the great Albert Einstein, only 2% of the world's population can solve this riddle by themselves. Are you one of them?
Challenge: Think You Can You Crack These 5 Math Riddles?
Test your math knowledge with these 5 fun math riddles.
Have a Go at Solving These Tricky Murder Riddles
Halloween is just around the corner, so to get you in the mood, we've given you 11 murder riddles to solve. Do you think you have what it takes? Find out now.
Test Your Mental Sharpness With These Brainteasers
See if you can figure out all of these brainteasers without peeking at the answers.
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.
Is Your Mind as Sharp as a Knife? Try These Brain Teasers!
These addictive brain teasers will really get the cogs in your head turning!
Can You Solve These Tricky Little Riddles?
While some of us are good at solving riddles, others are just not. How do you do? Here are 9 tricky little riddles to put your brains to the test.
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?
Are You One of the 3% Who Can Really See This Image?
Can you see this image? Are you one of the lucky few?
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?
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 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 Guess These Ancient Riddles?
Can you solve these riddles thousands of years old?
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!
Challenge: Can You Solve These 10 Tricky Riddles?
These ten challenging riddles will leave you scratching your head.
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?
From Easy to Hard, Can You Solve Our Riddles?
Take our riddle challenge and see how many of our 15 riddles you can solve.
Massive Riddle Collection: 120 Tricky Riddles to Test You!
Here is our enormous collection of 120 tricky riddles with answers that will definitely make you put your thinking cap on!
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.
You’ll Love Solving These Fun Little Riddles!
Give your brain a fun little workout and challenge yourself to solve all these riddles
Only a Few People Can See What's Hiding in This Image
What hides behind this red circle? Only a few can tell...
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!
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!
This Riddle Proved Too Hard For Me, Can YOU Solve It?
Are you clever enough for this riddle?
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!
Challenge: Are You Clever Enough For This Riddle?
A simple riddle that will drive you crazy!
Can You Guess the Answers to These Riddles About Nature?
Nature isn't just the inspiration for conventional forms of art, it can also be a great way to challenge your mind when phrased as riddles
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.
10 Tricky Riddles That Could Potentially Drive You Crazy!
Here are 10 tricky riddles that you might find challenging to solve...
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.
Challenge: Can You Solve the 4 Square Riddle?
To solve this riddle, you must forget what you think you know...
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 16 Perplexing Riddles?
There's no better brain workout that trying your hand at a few riddles.
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.
Can You Solve These 9 Challenging Riddles? Give it a Go!
If you love yourself some challenging riddles, you should definitely give these 9 a try.
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!
Can You Crack These 8 Challenging Riddles?
Do you think you're a bit of a riddle master? If so, give these 8 tricky riddles a go!
Give Your Brain a Good Workout 10 Tricky Riddles!
These 10 challenging riddles will give your brain the exercise that it requires.
Put Your Thinking Cap on and Try to Solve These Riddles
These 12 fun riddles will show just how sharp your mind is.
Challenge: Think You Can Crack These 10 Riddles?
These challenging riddles ask one simple question: Are you a riddler?
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!
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!
Are You Part of the 5% Who Can Solve These Logic Puzzles?
These puzzles will tease your brain like never before. If you manage to solve them, you'll be in an elite group - only 5% of people are capable of doing so.
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.
Are You a Riddle Master? Try Out These Tricky Brainteasers
If you love riddles, here are 10 tricky ones that will give you the challenge that you're craving.
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