War. War never changes.
Settings that focus on the state or change of society.
What if stories with alternate outcomes of crucial points in history.
The apocalyptic setting involves an apocalypse event that risk ending the world as we know it. The event can be any number of things such as nuclear warfare, climate change, aliens or zombies. The common plot points is to try to prevent the event or deal with the consequences of it.
This is a setting that takes place a time after the event in a apocalyptic setting.
This is a setting where the community or society is perfect and the is no crime or poverty.
A dystopia is the opposite of a Utopian settings.