How are these games made?

Question

Unity

Hello, how are games like https://play.google.com/store/apps/details?id=com.... made , or is the destruction system just used?

Answer 1

There are options in order to cut the mesh. But, there, with a high degree of probability, you will run into performance, and you will hit it hard. Therefore, the only adequate option is to use pre-cut object models.

Answer 2

Perhaps the cucumber already consists of perfectly glued pieces in advance, and when the knife "cuts off", the extreme piece is peeled off and physics is applied to it so that it bounces)
This is the first solution that came to mind, perhaps more difficult.