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!
Test: How Much Do You Know of Women's Rights' in the 1800s?
Testing your knowledge of the women who started the long walk to feminism.
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?
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.
Knowledge Test: This 1974 Test Still Holds Up Today!
Can You Beat This Knowledge Test given to a group of 250 American highschoolers in 1974?
QUIZ: Do You Remember Your Basic Chemistry?
Are you ready to challenge yourself in the field of basic chemistry? Let's see how you do with our basic chemistry quiz.
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 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?
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!
Challenge! Can You Solve These 7 Tricky Riddles?
These riddles will challenge your mental sharpness and will definitely keep you on your toes.
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.
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!
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!
Give Your Brain a Good Workout 10 Tricky Riddles!
These 10 challenging riddles will give your brain the exercise that it requires.
You’ll Love Solving These Fun Little Riddles!
Give your brain a fun little workout and challenge yourself to solve all these riddles
These Illusions Will Have You Fooled... Discover Why!
Discover what's really behind these fascinating illusions.
Test Your Mental Sharpness With These Brainteasers
See if you can figure out all of these brainteasers without peeking at the answers.
Challenge: Can You Solve the 4 Square Riddle?
To solve this riddle, you must forget what you think you know...
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!
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.
Challenge: Think You Can Crack These 10 Riddles?
These challenging riddles ask one simple question: Are you a riddler?
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.
How Many of These Clever Riddles Can You Answer?
How many of these riddles can you guess?
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.
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: Are You Clever Enough For This Riddle?
A simple riddle that will drive you crazy!
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?
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.
8 Tricky Riddles That'll Definitely Test Your Brain
Here are 8 challenging riddles that are bound to get your brain working.
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
Can You Guess These Ancient Riddles?
Can you solve these riddles thousands of years old?
From Easy to Hard, Can You Solve Our Riddles?
Take our riddle challenge and see how many of our 15 riddles you can solve.
Are You One of the 3% Who Can Really See This Image?
Can you see this image? Are you one of the lucky few?
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!
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 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!
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?
Challenge: Think You Can You Crack These 5 Math Riddles?
Test your math knowledge with these 5 fun math riddles.
Put Your Thinking Cap on and Try to Solve These Riddles
These 12 fun riddles will show just how sharp your mind is.
This Riddle Proved Too Hard For Me, Can YOU Solve It?
Are you clever enough for this riddle?
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.
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.
You Don't Genius to Solve This, But it Surely Helps!
This isn't just another easy test - can you crack it?
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.
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.
Challenge: Can You Crack These 10 Riddles?
Can you crack these 10 challenging riddles?
Challenge: Can You Find the 6 Hidden Words in this Drawing?
Hidden in the image are six words that have been concealed. Only about 33% of adults will be able to find them all, making it one tough puzzle to complete.