Borneo is well known for its rich biodiversity and multiracial society. Let's see what else do you know about this mystical island. Have fun and thanks for playing.

Each year, hundreds of mathematics enthusiasts gather around for the most prestigious and toughest mathematics competition in the world - the IMO. It serves as a platform for gifted young mathematicians to showcase their talent. Enjoy!

This quiz covers episode 6 - 10 of "Reaper" season 2. Sam's adventure continued in "Underbelly", "The Good Soil", "The Home Stretch", "No Reaper Left Behind" and "My Brother's Reaper". Enjoy!

Edward Norton is a very versatile actor. This quiz covers his personal life and movie career. Enjoy!

Each of the ten words being described in this quiz has all five vowels in it and each vowel appears only once. Also, all ten words are adjectives. The first (few) letter(s) and the length of the word are given as clue. Can you solve all ten? Enjoy!

This quiz covers the first five episodes of "Reaper" season 2. The trio, Sam, Sock and Ben caught more souls in "Episode IV: A New Hope", "Dirty Sexy Mongol", "The Sweet Science", "The Favorite" and "I Want My Baby Back". Enjoy!

This quiz covers "Mystery Case Files (MCF)" (PC games) "Huntsville", "Prime Suspects", "Ravenhearst" and "Madame Fate". Have fun and enjoy!

Matrices are used in the field of encryption and computer graphics. How much do you know about them? Enjoy and thanks for playing.

Exponentiation is used in many science applications, such as the calculation of compound interest, radioactive decay and cryptography. How well do you know this mathematical operation? Enjoy!

Each square contains letters that will make up meaningful words in every row and column. Can you find the missing word? An example is provided in the first question. Have fun and enjoy!

This quiz concludes the last three episodes (episode 11 - 13) of "Reaper" season 2, namely "To Sprong, With Love", "Business Casualty" and "The Devil and Sam Oliver". Sam tried to find a way to broke his deal with the Devil. Would he ever be free?

Based on the clues given in each question, try to figure out the ten five-letter words. Each subsequent word differs from the previous one by one letter and no unscrambling is needed. Enjoy!

The factorial operations come in useful in many mathematics areas, especially in the calculations of combinations and permutations. How much do you know about them?

Uh oh... 10 animals are hidden in word squares. Can you spot them? An example is provided in question one. Enjoy and thanks for playing!