Hi everyone, how do I achieve this kind of texture/shading effect through photoshop/illustrator, as seen in Return of The Obra Dinn?

http://bit.ly/2RVD9ZC

Great design resource

100 Things Every Designer Needs to Know About People (Voices That Matter) Submitted January 20, 2019 at 12:48PM by Halfward http://bit.ly/2HpEYtE