I never played the game, so I’m not sure what SnapMap is (Fandom says it’s a map editor), but there is a note in the “Details” that says SnapMap cosmetics are unlocked by default. Is that something else?

2 Joy 2 Cons

The writeup mentions GoG, but I don’t see any mention of the fact that Sim City 2000, Sim City 3000, and Sim City 4 are all currently on sale. You can get all three for less than $10 out the door.