I dont have already idea what i want do but i want to prepare so its possible somehow?
It should be as easy as copying the exported HTML into your Joomla / Wordpress page, along with associated files that are part of your game.
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You can just put your game in an iframe. Should work fine with either worpress or joomla
I have another, but similar question.
Is it possible, to share data betweem wordpress/joomla and the gmae?