How Well Do You Know Your Science?

Test Your Mental Sharpness With These Brainteasers

See if you can figure out all of these brainteasers without peeking at the answers.

Challenge: Are You Clever Enough For This Riddle?

A simple riddle that will drive you crazy!

This Riddle Proved Too Hard For Me, Can YOU Solve It?

Are you clever enough for this riddle?

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?

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!

You Don't Genius to Solve This, But it Surely Helps!

This isn't just another easy test - can you crack it?

How Many of These Clever Riddles Can You Answer?

How many of these riddles can you guess?

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...

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!

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!

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.

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!

Challenge: Can You Crack These 10 Riddles?

Can you crack these 10 challenging riddles?

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?

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 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!

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!

Challenge: Can You Solve the 4 Square Riddle?

To solve this riddle, you must forget what you think you know...