A little late, but I've just been using "TAB" to get to "Free/Free Download/Enter Captcha" then using "Enter" to just by pass having to click anything.
Also, it opens a new tab regardless of where you click on the page.
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Edit:
https://erogegames.com/eroge-visual-novels/eroge-general-talk/3976-annoying-pop-ups/#post74408
Worked for the Free download section (Using Chrome) ; Trying to figure/find out how to stop the captcha section.
Ended up making the rule in the post linked above, then going to "3rd party filters" and putting a check in every "Malware d