Unity 5 has got a pretty decent default shader system
Journey's look was not achieved with a standard shader.
-> (See GDC 2016)
We can also build custom inspector editors
use the naming convention Lighting<name>
[Ref: filmicgames.com ]
plain linear &
[Ref: @levork ]
(using only 1000 most used English words)
[Ref: Raytracing Lecture ]
[Ref: Moving Frostbite to PBR ]
In a picture
You've got nothing to compare with except your own imagination.
And small errors can pile up unseen
See you on twitter :)