RafflePress - RafflePress is the best WordPress contest and giveaway plugin. Grow your email list, followers, and website traffic with viral giveaways in WordPress.

Akinator - Akinator is an entertainment app that acts like a digital genie that can read your mind. The game will ask you a few questions about the character you have chosen, and it will attempt to guess the character from your provided answers.

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

Buzz! Quiz World - Buzz! Quiz World is a 9th entry in the series of Buzz! The game combines the elements of Party and Q&A, and it supports both Single-player and Multiplayer (two to eight-player) modes developed by Relentless Software and published by Sony Computer En…

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

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