Do you remember your science lessons? We all need a good background in basic science - chemistry, physics, and especially biology, since it's so prevalent in our lives. This test was passed by most 8th grade science students - can you do the same and answer all 15 questions?
TEST: How Good Is Your Human Biology Knowledge?
Do you know enough about your body? Put your anatomy knowledge to the test with our human biology quiz!
Test Your Knowledge of Our Solar Neighborhood!
This quiz will put your knowledge of our solar system to the test!
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!
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?
QUIZ: Bill Nye Challenges You To a Fun Science Test!
Bill Nye has 10 questions about science for you - think you can answer correctly?
QUIZ: What Do Colors Say About Your Attitude?
Today you're going to discover your attitude to life and a few more fascinating details. Answer the following questions and witness the truth in colors...
How Many of These Clever Riddles Can You Answer?
How many of these riddles can you guess?
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.
10 Challenging Riddles to Test Your Thinking Skills
These brain-teasing riddles will definitely test your lateral thinking skills. So, get those cogs working and try to answer all 10!
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.
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!
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!
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?
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!
10 Tricky Riddles That Could Potentially Drive You Crazy!
Here are 10 tricky riddles that you might find challenging to solve...
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...
Challenge: Can You Solve These 10 Tricky Riddles?
These ten challenging riddles will leave you scratching your head.
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!
From Easy to Hard, Can You Solve Our Riddles?
Take our riddle challenge and see how many of our 15 riddles you can solve.
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!
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: Are You Clever Enough For This Riddle?
A simple riddle that will drive you crazy!
Are You One of the 3% Who Can Really See This Image?
Can you see this image? Are you one of the lucky few?
Give Your Brain a Good Workout 10 Tricky Riddles!
These 10 challenging riddles will give your brain the exercise that it requires.
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.
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!
Put Your Thinking Cap on and Try to Solve These Riddles
These 12 fun riddles will show just how sharp your mind is.
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!
Can You Crack the Assassin's Riddle?
The following puzzle begins with a secret agent sneaking into a high-stakes poker game...
Can You Guess These Ancient Riddles?
Can you solve these riddles thousands of years old?
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!
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 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!
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.
What You See In These Images Will Tell You About Yourself
Many personality tests rely on your choices to determine your personality, but this optical illusion test will work entirely on your subconscious...
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: 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.
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 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.
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: Think You Can Crack These 10 Riddles?
These challenging riddles ask one simple question: Are you a riddler?
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?
These Illusions Will Have You Fooled... Discover Why!
Discover what's really behind these fascinating illusions.
Challenge: Can You Crack These 10 Riddles?
Can you crack these 10 challenging riddles?
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.
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?