You know what the did with hitman, build a launcher it wouldn't take many resources so the tomb raider games would have a single launcher, the steam world games and so on, I hope that's the plan for future.
I assume you are speaking about the "Campaigns" menu screen where from hitman 1 you can jump straight to hitman 2?
While I like the idea, does it make that much difference using Stadia?
You have an App that can toggle between games with ease, and Google assistant that can launch you straight into another game using the controller.
Yeah just like that, doesn't make a massive difference but it would stream line things very well and reduce the amount of tiles when browsing games.