Some .smi files were archived, albeit I can't find any way to play them yet.
From The Lost Media Wiki
https://web.archive.org/web/*/http://ramhurl.real.com/smildemohurl.ram* (search up Kong) EDIT: There is waaaaay more .smi files than I thought. The main domain is ramhurl.real.com. Find as many as you can. ANOTHER EDIT: According to a website I found, .smi files work on VLC video player and realplayer, albeit I am unsure if that is true (as of 2023).