I've been a fan of Zuleyka since the elf market days. Excited to see them start on superheroines!
But for me this game has one serious flaw. It's the whole reason most people play games like this.
We like to imagine we're the ones doing things. Instead of watching people having sex -- like most porn -- we're actually involved. It's a first-person perspective. The woman is looking right at the viewer as she gets fucked or fingered. We make some decisions about what should happen next, and we see ourselves in these amazing situations.
In this game, we're able to ... watch. The viewer takes on the role of the Joker, and then he ... watches Harley do things to Wonder Woman. Dangit, *I* want to do things to Wonder Woman! I want to play with her body, whip her, cum on her, and the rest. I don't want to watch my henchmen do it.
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The writing could be much better. Wonder Woman's dialogue doesn't sound like her at all. "Get away from me, you perv!" has none of her dignity and spirit. Diana would be saying stuff like, "Stop this, it's not too late for you to do the right thing," or "There's still goodness in you. Resist these impulses."
I think you should find someone to write the dialogue.