Just out of curiousity...
From The Lost Media Wiki
...did we know before it was found that many of the game's files are on the Wayback Machine? The article mentions "archives," but doesn't get specific. https://web.archive.org/web/20001018025503/http://www.p2kthemovie.com:80/game/borgs/media/rivalgb.mid https://web.archive.org/web/20001018043314/http://www.p2kthemovie.com:80/game/borgs/html/flash/pokemon/jynx.swf https://web.archive.org/web/20001018064858/http://www.p2kthemovie.com:80/game/borgs/objects/pk_AeroDactyl.sprite https://web.archive.org/web/20001018103704/http://www.p2kthemovie.com:80/game/borgs/html/flash/pokemon/squirtle.swf
Just go here and search "game": https://web.archive.org/web/*/http://www.p2kthemovie.com/*/