CoinFlux is a simple game allowing you to get USD for free.
How to play?
Just register. The game will start automatically.
How much USD can I gain?
You will get from 0.0003 to 0.015 USD during several minutes. You may play as much as you want and at any time. There is a referral system in the game. You can invite your friends to join and get 30% from their earnings.