The World

These mixed martial arts fighters pummel each other into submission for fans worldwide. How much do you know about the UFC? Fight through this quiz to find out.

Getting flippant with guns can cost you dearly. How much do you know about firearm safety? Take this quiz to find out.

If you think you know everything there is to know about pranks and hoaxes, the joke just may be on you. Take this quiz to learn why the merrymaking day came to be, how it's celebrated in different places and some of the best pranks of all time.

By Kate Kershner

Magic was the first collectible card game, a concept that changed the gaming industry. Whether you're a white, blue, black, red or green mage, test your spellcasting skills with this Magic: the Gathering quiz.

Hollywood A-lister and Academy Award-nominee Leonardo DiCaprio's acting career hasn't always been so glamorous. See how much you know about his meteoric rise to Hollywood legend in our Leonardo DiCaprio quiz.

They left a patchouli-scented wake across the world. How much do you know about the Grateful Dead?

Who runs the world? Beyonce says girls. Conspiracy theorists say the Illuminati. Take this quiz and see if you know who has really been in charge of the course of history.

By Kate Kershner

Sneakerheads are sneaker-obsessed, and help keep the sneaker market growing and growing. Take our quiz to find out if you have what it takes to be called a sneakerhead.

By Stefani Newman

Sometimes real-life crimes are weirder and wilder than any fictional evil. How much do you know about these true crimes?

By Nathan Chandler

She may not be calling herself Jenny From the Block anymore, but Jennifer Lopez is still super popular. How much do you know about the triple threat? Test your J.Lo knowledge with this quiz.

Alright, team: How much do you know about Taylor Swift? We're not just talking albums and singles, but cat's names and cultural moments. Unlike Taylor, you'll get a chance to finish.

Feeling guilty for binge-watching "Game of Thrones" in one weekend, only to follow it with a week of "Girls" episodes and revisiting "The Wire" for the fourth time? Make all that couch-sitting worthwhile by acing this HBO Original Programming Quiz.

A dream is a wish your heart makes, so this quiz is a dream come true if you know all the lyrics to "A Whole New World" or can recite Mufasa's wise words in your sleep. Try your hand at matching quotes to the classic Disney films they come from.

Manned flight has altered the course of humanity. How much do you know about the aircraft of the world? Take this quiz to find out.

Show off your fitness IQ and your ThighMaster trivia prowess in our fitness quiz.

By Maria Trimarchi

Whether you're an amateur anatomy buff or a full-fledged medical professional, we challenge you to test your knowledge with this organ function quiz ... if you have the guts.

By Laurie L. Dove

LeBron James is one of the best players ever to grace an NBA court. How much do you know about him? Find out by taking this quiz.

Think you know everything about Johnny Depp? Test yourself in our quiz.

From the debut "Call of Duty" through the launch of the "Ghosts" series, just how much do you know about the CoD games?

Let go of the wheel, and let your car do the driving. How much do you know about autonomous cars? Test your knowledge of these driverless vehicles by taking this quiz.

By Nathan Chandler

Strap on your Pip-Boy and crack open a cold Nuka Cola, it's time for a "Fallout" quiz.

The ugly little space alien stole our hearts when he hit the big screen way back in the '80s. So how much do you remember about "E.T. the Extra-Terrestrial" all these years later?

Test your knowledge of His Airness with our Michael Jordan quiz and see if you can "Be Like Mike."

By Laurie L. Dove

Mascots boost team spirit and pump up the crowd. How much do you know about these costumed performers? Find out by taking this quiz.

By Nathan Chandler

Food technology encompasses a broad range of food-related subjects. How much do you know about modern food technologies?

By Nathan Chandler