The OP mentioned the noses, and the limited detail on the faces stands out as a similarity between your two screenshots. The biggest difference that stands out

The OP mentioned the noses, and the limited detail on the faces stands out as a similarity between your two screenshots. The biggest difference that stands out to me is how skewed the scenery is in the new game. This is a style that shows up a little in the original, but it's more characteristic of later LucasArts adventures.