it is already easy to do this. Unless you are a generally negative person, you will enjoy things that don't do something you actively dislike, right? so then just look at negative reviews only. If there are no issues raised that you would personally not be able to overlook, it's probably a good game.
same, but at the same time, positive reviews tend to be low entropy, little is to be gained from positive comments that isn't already captured by the average score. You get a few detailed ones which go into specifics as to why they thought this was thing was good, but negative ones tend to go into way more, and more reliable, detail. I do understand where you're coming from though.
