What's the matter of making this game non-free-to-play for download, if you can freely play it in browser?
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In fact, the paid version is the one that contains nude images, the "just sexy" version is available to anyone to download, install in their mobiles and play everywhere for free so, you can play it freely not only on browser.
I set the nude images on the paid version as a way to say thanks to those who wanted to support my work.