Virtual Pro Wrestling 2....Wrestlemania 2000?!?!?

Jeez. Uh....can someone explain why these games are exactly the same except with different characters and sound improvements?!?!?

jeez. thanks, Clements! I can always depend on you for help. But...they say that there's a translation at http://www.icemaster.org/vp2/ and I can't even visit the site. Can you possibly help me find an n64 translation site? thanks.