Plundered Hearts (Amy Briggs/Infocom, 1987) was Infocom’s one and only romance. It was also very much ahead of its time. Emulating the conventions of romance meant offering richer non-player characters, and spending more interaction time with them. There was a definite plot, not just a sequence of puzzles in an underpopulated landscape. There were set scenes where you could be clever and turn the tables on your enemies. There were multiple possible endings, depending on whether you wanted to give your heart to the sexy pirate after all.
Not only that, but it was easy enough to complete, even before we all knew how to find walkthroughs on the internet. When I got to Plundered Hearts as a teenager, I’d been playing Infocom and Scott Adams games since the age of six, without ever seeing the end of a single one. This was the first text adventure I ever actually finished.