average conversion rate for games like deal or no deal etc

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What is the typical conversion rate from visitor to real player on a games type site ?

Ie it is a targetted website aimed at games like deal or no deal and other games / skill games etc

So if you had 100 u/v how many of those would you expect to become a "real" player and deposit the minimum amount ?

This is mainly directed at jackpotjoy affiliate program, but anyone is free to answer

Thanks alot