>>718226034
It is a spin-off of an already niche series where it didn't really add much to it and even the game knows it. At most you got some extra details about pewter and how he got out of jail time after what happend in the first game and a few other small things.
So unless you wanted to see more character interactions (which also feel muted compared to the first game) or do the puzzles then there is no incentive to bother with it at the full price.