How are applications similar to LifeLine created, where there is a dialog box with actions?

Question

Game development

Hello.
There is an idea and a good plot to create a game like LifeLine and the like.

What is the principle behind the creation of the game? How is the choice of the desired answer and the progress of the plot going?

Answer 1

Dialogue tree. Or a behavior tree. The main thing is the tree.

Answer 2

There were such questions quite recently:
How to create a quest game (text)?
Which game engine is better to use for a text quest on android?
In short: you make a graph editor, make the mechanics of moving around the graph, hook data into the nodes of the graph for display. Specifically, in LifeLine, progress along the graph is related to time, but this is just another mechanic.