I think Halo 4 was great, even looking back 8ish years later. It's probably one of my favourite Halo games. I enjoy that 343 is still expanding and adding things to the universe. Sure they weren't the covenant we're used to but the prometheans are interesting in their own ways and I had plenty of fun learning about the new species. Also to note how good the graphics are, I could get lost in it's world for days for some specific bits.