I bought it back when it was released, first it was buggy as hell (still is actually) - a super annoying feature is that it takes around 2-5 minutes to actually launch the game because it always searches for new downloadable content.
The game mechanics are pretty bland and standard nothing bad nothing good. The story goes back and forth from stellar to horrible a few times, but usually stay around mediocre quality. At first you feel really engaged and it's nice when you figure out how to solve a case, but you soon see that it's just a pretty mirror show where no matter how you approach a case you solve it, it's only a few selected ones you can truly fail (and then you start over) - the acting is unfortunately the weakest and since you have to rely on facial clues to tell if a suspect is lying or telling the thruth it quickly gets frustrating when they overact so much that you actually can't tell what they are doing - they just look awkward and weird instead of what emotion they were told to portray.
And the dialouge options are really loopy .. you choose between truth, doubt or lie when someone talks - and there is no consistency to how Phelps (the main character) reacts - you can have a pleasant conversation and then you choose doubt, because the suspect seems a little aversive and then Phelps will go "MOTHER*****!!! DON'T LIE!!!!"
In short, not worth it unless under 10