The story in the game is compelling. Playing as the ghost of a detective who is surprisingly cool. (I really liked him a lot, lol.) - trying to solve your own murder is an awesome concept!
You learn about Ronan life - who he once was, and who he has now become as a cop.
The graphics are okay - they aren't exactly next gen or even last gen. The controls are alright, with the exception of it not telling you how to jump as a cat. I spent a while figuring out it took two trigger buttons, lol.
The game is very much focused on investigation.
There's mechanics such as hide and go seek, which seriously pull you out of the mindset of being a detective.
The open world is very small and restrictive. In saying so, it kind of defeats the purpose of being a ghost. This goes the same for your powers. Your ghost powers are only multiple choice. You can either influence, read mind, listen, or peek. Some are required to push along a questline, but they don't really have much of an impact on the narrative.
The gameplay isn't interesting except for the occasional combat sequences.
Honestly the concept of the game was interesting, but it wasn't executed very well.