It's very good if you really really like old school JRPGs, but not great if you don't. The combat is kinda boring and very easy, and the characters are good but not overly memorable. A comment I see on a lot of forums is "it's like Final Fantasy X but with a worse story" and truthfully that's pretty accurate. The music is really fantastic though. I will say a lot of the super negative reviews are probably from people who went into it expecting a new Chrono Trigger. It's really a decent game overall. My main gripe is that it's quite short (less than 20 hours long), but for $16 it's not a bad deal. I can't speak to the game's performance on the PS4 - I have it for Switch.