What are the ratings and certificates for Ren Stimpy Party - 2003?

There seems to be a misunderstanding. There is no known video game or product titled "Ren Stimpy Party - 2003". The closest match is the video game "Ren & Stimpy: Space Cadet" released in 1994. It is possible that you are thinking of a different game or product.

Could you please provide more information or context?