Ren'Py How do I make a game stay in a loop?

[GadorDev]

I have programmed it for a few days and I can not find a way to make the game stay in loop, like milft city and FIL.F. Well I can make it move to the maps but without the game is over, I can keep coming back as often as I want on the map.

If my english is bad I'm sorry I'm not a native

 

[anne O'nymous]

Well, there's no need for loops in those games. So I'll assume that by "stay in loop", you mean the moments where the player is asked where he want to go next.
This can be achieved by

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the screen, then either directly jumping to the next location, or returning a value that will be interpreted later in the screen.