You’re thinking of Doki Doki Literature Club, common mistake. It’s just a coincidence I suppose. DDLG most certainly predates that game and I don’t think their subject matter is at all related.

On the tame side of things, there’s chicks that like to call you “daddy” and want you to call them a “good/naughty little girl” and embrace the praise&punishment aspect of Dominance& Submission. Pretty vanilla stuff. I could get with it, and I reckon most guys may be able to, feels like the daddy thing isn’t too uncommon.

On other end… well, actually, I don’t want to talk about it. Look it up yourself, that way only you are to blame for cursing yourself with the knowledge