Texhnolyze, Psycho-Pass Recommendations
Both series are dark and contains a serious mood involving a world of cruelty.
There are science fiction themes present in both series. With that also includes various plot twists, surprises, and some gruesome scenes. There is violence involved in both series so be a bit aware of that if you decide to give these two titles a shot.
Both series has drama, action, and some psychological factors. There are also thriller like endings that are build from some of the plot settings.
Both of these are psychological, dystopian, thrillers that have morally gray antagonists