This is a game character. The soldier was sculpted in ZBrush and final images were rendered in Marmoset Toolbag 3. I used the new skin shader with PBR shaders and textures to really bring this man to life. For this character, I used the face of Vincent Cassel the French actor as a reference.
I made a tutorial about making the polygon hair:
You can see high-resolution images here:
The 3d character is available here: