This happens to me. I just recently replayed Bioshock (love that game!) and needed something quite different, so now I'm playing Fire Emblem Awakening.
If you mean Xbox One game, unfortunately the library still isn't diverse enough
how bout something like thief? it's a nice change of pace that'll be a nice change. That or trials fusion or if you really want something different you can grab peggle 2
Try stealth games for a change, it's more challenging and takes a lot of patience. Also try RPG's, I'm not a fan of RPG's myself but I've played a few games that are pretty good, I too have been bummed out of my FPS collection and having a few games that are of different genre is pretty refreshing.