Lol, yeah. I’ve done a few playthrough with some friends and one regularly walked into the fire. Always a good laugh!
There are some storyline things above ground, namely the Crater and sailboat. Those all come along via exploration, but most is underground.
What I really liked is that there’s no character exposition or beating you over the head with the story. It feeds you information slowly, sometimes disjointed. Not until the end does it make it clear what’s going on, so there’s a lot of incentive to find the next piece of story line to see if you were right in what you thought was going on.