I think, the intended way is to publish “News” about new games in your previous games, that way user can see it in newsfeed. I used to ignore it but now I read it more because it really has some useful stuff now and then.

a real company that respects players like Nintendo

Uh, well, okay. Comparing pop-up you show each time with a poster one gets single time with a physical product is already quite strange. Comparing discoverability of that era with discoverability in Steam is even stranger than that