

I don’t know how you could do that without staying exclusively on open source
I’m old enough that the games I’m nostalgic for are on floppy discs on my shelf, but now the games I play are downloaded and rely on whatever company keeping a server up to authenticate me
Who knows what Microsoft will do with Minecraft in 30 years
Who knows what Steam will do with the licences it’s sold me
Minecraft has private servers (at least on Minecraft java) as well as their own server platform “Realms”, also every client is also a server. Though the authentication system is a Microsoft account so that’s likely to still be online well into the future