I see LIMBO on that list. It's also on my extensively long list of games to play that I own and haven't gotten to.
I watched some of the GDC talk from the limbo developers. It's not about Limbo, but about the precursor game - since they used Unity, you might find some of the stuff here relevant: [LINK]
I watched some of the GDC talk from the limbo developers. It's not about Limbo, but about the precursor game - since they used Unity, you might find some of the stuff here relevant: [LINK]