... Every-time the game is updated it "evolves" and the prior version is gone. Ergo there is only one version to "preview", as you could consider the game to be "episodic" from that point of view.
So why ask about a preview when you get the basic gist of the game on page 1 here
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Open the spoilers there to get all the info you want, and then scroll down to get screenshots of the game.
Then again go ask on the Discord Channel here.
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[have fun asking them that very Q. there... ]