According to analytic company SuperData, the online mutliplayer wargame World of Tanks makes the most cash per user than any other free game. World of Tanks is free-to-play but if you want to get the really good tanks you've got to drop a few bucks. The same is true with many free-to-play games, either for better equipment or to visually change a player's character. So how much do users spend to get ahead or look good in these games?

Image via vg247

“The cost per install for free-to-play MMOs has been consistently going up, as the market has started to mature.” Says the report. “Last month the average cost per install for a free-to-play MMO in the US was about $8 dollars. Having a clear sense of marketing cost helps build a user base more effectively.”

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[via VG247]