Because just look at the matching keywords on these content descriptions.

That's old man

I wish I had known about this mod before I started this project, it looks super cool. I love that they use those concept-symbols from the end of Myst 3.

there are pieces of this in other software,

Here's an environmental simulator with problem/challenges possible

https://www.kickstarter.com/projects/1037798999/eco-global-survival-game