I'd rather say that you probably haven't seen a lot of modern, quality 2D animation out there. I'm 100% sure it's 2D, and other hints (like the fact that Delore

I'd rather say that you probably haven't seen a lot of modern, quality 2D animation out there. I'm 100% sure it's 2D, and other hints (like the fact that Delores seems to be an engine demo for Return of Monkey Island as the timeline matches perfectly) also point to it not being 3D.