According to the paper Shedding Light on Lurkers in Online Communities by B. Nonnecke and J. Preese the estimated ratio of lurkers to participating members in online communities is 100:1.
According to Alexa web search's traffic rankings, MyGamer is ranked 108,324, with a 3-month average of 89,911. Reach per million users is 11 and page vewis per user is 5.0, with a 3-month average of 5.2.