If you loved Psycho-Pass: Sinners of the System - Case.1 Crime and Punishment, try Dragon's Heaven
A bridge between a film you've already seen and one most people haven't. Dragon's Heaven has roughly 3.6× fewer votes than Psycho-Pass: Sinners of the System - Case.1 Crime and Punishment — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.

Psycho-Pass: Sinners of the System - Case.1 Crime and Punishment

Dragon's Heaven
What they share
Theysit in Animation / Science Fiction territory. If that's the register that drew you to Psycho-Pass: Sinners of the System - Case.1 Crime and Punishment, the second film will land in a comparable space — through a different lens.
What Dragon's Heaven is
You awaken in a mech, a millennium after a war. The robot uprising still plagues Brazil. But now you have a human partner. His plan is to find your old nemesis and end this conflict once and for all. Kobayashi's film is an obscure and frenetic OVA with designs cribbed from Moebius.