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QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.

UpViral - Referral marketing platform enables anyone in running effective and profitable viral marketing campaigns – in minutes.

A Google a Day - Online trivia game where you use Google's search to answer questions as fast as you can.

Tremendous - Tremendous is a customer and employee loyalty platform that allows companies to reward their customers for surveys promotions and referrals.

Trivia Crack Kingdoms - The amazing quiz game that lets you test your knowledge and challenge your friends to see who is the smartest. Developed by Etermax