Grim Fandango and The Longest Journey both arrived late onto the scene right before the genre died at the end of the 90s, and both regarded as some of the pinnacles of the genre. I've owned both, but never really played through them. But I've seen quite a bit of them online, and the impression they've left with people is undeniableThere's also I Have No Mouth And I Must Scream, based on a book, and also pretty highly regarded. It's quite a bit darker than most. I don't own this one, but I've also seen bits and pieces of it online, and mentioned in articles and whatnot, and I would actually like to add it to my collection