If you know a little about the human brain, you know it is run by chemicals. To be more specific, our brain is run by serotonin and dopamine, which can make us happy or sad, awake or sleepy, and testosterone and estrogen, which can make us aggressive or peaceful. Indeed we are much more ruled by chemicals than we'd like to think. Which of these crucial 4 chemicals is working overtime in YOUR brain? Complete our quiz to find out.
QUIZ: Which of the 6 Types of Dreamers Are You?
What kind of dreamer are you? To learn, take our quiz and the result will indicate which of the six types of dreamer you are.
Take Our Test: Do You Have an Open and Honest Soul?
While some people can't lie, others ruthlessly say and do anything that helps them achieve their desired goal. How about you? Do you have an honest soul?
QUIZ: Discover the 4 Hidden Properties of Your Character
This psychological quiz asks you to associate word with each other in order to understand how your brain works.
QUIZ: How Old Do You Behave?
Yes, you might well think you are pretty old by now, but the question is - do you act your age? Take our quiz and find out how old you behave!
Quiz: Make a Choice, Any Choice...
This quiz asks you to choose the choices you would make in hypothetical situations. In the end, we'll tell you something about you.
Test: What Does Your Own Smile Say About You?
A smile is such a beautiful thing. What's yours like? Is it a wide grin or a shy little lifting of the edges? Answer these questions and we'll tell ya!
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!
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.
This Riddle Proved Too Hard For Me, Can YOU Solve It?
Are you clever enough for this riddle?
Challenge: Can You Solve These 10 Tricky Riddles?
These ten challenging riddles will leave you scratching your head.
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?
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 Solve These 16 Perplexing Riddles?
There's no better brain workout that trying your hand at a few riddles.
Challenge: Can You Crack These 10 Riddles?
Can you crack these 10 challenging riddles?
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!
PUZZLE: Can You Find all the Hidden Words in the Picture?
Picture puzzle with six hidden words
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...
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.
You Don't Genius to Solve This, But it Surely Helps!
This isn't just another easy test - can you crack it?
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.
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.
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 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 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!
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.
How Many of These Clever Riddles Can You Answer?
How many of these riddles can you guess?
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!
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.
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!
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.
Test Your Mental Sharpness With These Brainteasers
See if you can figure out all of these brainteasers without peeking at the answers.
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.
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!
10 Fun Visual Brain Teasers You Will Want To Share
Brains need exercise just as much as muscles do. Challenge yourself with these 10 fun observation tests.
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 Solve These 7 Tricky Riddles?
These riddles will challenge your mental sharpness and will definitely keep you on your toes.
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.
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 Spot the Difference in These Brain-teasers?
Are you good at brain-teasers? If you think so, then you should really take on these 8 awesome brain-teasing images by Gergely Dudás.
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?