How many people play Wheel of Fortune as an online game

There are many sites where one can play Wheel of Fortune as an online game. While it is not possible to get an exact figure as to the total number of people who play, judging from the number of sites that offer the game, it would seem that many people play it.
 It is a scam gambling website for some and never an official Wheel of Fortune TV series site for online gaming. The show does offer a selection of downloadable Wheel of Fortune games that is different from online gaming. So are the PS3 video games that can be purchased from the Playstation Store