If you're done with the story and looking for cool stuff, try going to the menu, Play > Use Seed, then type in something random. It could be a keyboard mash, or you could try inserting some words and see what it makes. Doing this will act as though the AI was trained randomly, so sometimes it'll make really dumb worlds, but if you give it a chance, it can make some really freaking weird worlds (in the coolest way possible). You can also try changing a letter or two of the seed to get similar worlds, or if you really want a sentence to make a cool seed, try messing with capitalisation.

e.g. of what you can find:

(Seed: sthdfrghxdgujd)

(Seed: hefuhdjfwsfv)

(Seed: adventureforabit)

seems cool. i always wanted to play around with ai, but i could either never wrap my head around it or it seemed inefficient

with this i can finally play around with ai without having any knowledge myself

and generating a 3d world also seems like a useful scenario

some of your other creations have nice art style too. i might check them out 1 day