Heard of this? It's a thing. Someone takes a present-gen title and makes it playable on, say, PS 1. I been watching a guy play Bloodborne with turn of the century graphics on his PS 1 and watching a still cutting edge title go retro is more satisfying than I'd have thought.
Halo 2600:
https://www.youtube.com/watch?v=GwmuF-j3DiQ (https://www.youtube.com/watch?v=GwmuF-j3DiQ)