Other Than Or Other Then

Regardless of one or the other, which one is correct?

Camps can get really dirty, otherwise that's fine.

Other Than Or Other Then

Regardless of one or the other, which one is correct? 3
Which is true?
Campuses can get really dirty, otherwise it doesn't
Where
Camps can be really dirty unless it is.
Campuses can get really dirty, otherwise that's fine.
This ...
It is usually used for comparison, but in this case it is used to indicate the speaker's preference for speaking above others. The camp is very clean, even if it is a disaster. That is the fault.
So you don't always have to refer to time, but the order of things: time, person, list, etc. I mean, I met Tom, then Becca, then Sarah ...
In terms of size, Tom was great, then Sarah, then Becca ...
NS
Camping can be very difficult. Otherwise it is too much.
NS
Moreover, it is a comparison, as if it were bigger than that. Then for a sequel, like putting flour and eggs in a bowl and mix until well blended.
It's about time:
I went, then fell asleep.
What does the comparison have to do with it?
When I accept myself, I would rather stand than go to bed.
What helps, for example.