RollerCoin is an online bitcoin mining simulator that rewards you Bitcoins by play games on its site. First, register for an account at RollerCoin.com ; choose a character and verify your email. You will need to start off by playing a few rounds of games to gain some Hashes, just like in real Bitcoin mining, these hashes will help you "mine" and reward you every 5 mins. The more you play the games the harder it will get and reward you more and more power/points every time. Most of the games are very simple and usually last around 40 - 60 seconds (these might very from later updates). The amount you will get per 5 minutes will very and the equation to calculate it is: Current Block Size * ( My power ÷ Network Power ) = Expected Reward per 5 min Example of Stats This amount might not seem very impressive, but it will automatically gain you Bitcoins even when you are offline! However you still need to be active everyday to play a fe...