Generation of 2D terrain like in terraria (how to implement) on Unity?

Question

2D

How to make the world generated by squares, but so that all these sprites connect with each other, and even if a character with the Player tag goes beyond the chunk, the next one is generated.

Answer 1

How to do something - WRITE CODE.
There are no ready-made tools for your case in the unit. So:
- either we write the code
- or we look for the code in the assetstore
- or we order the code for payment.