Can you play Rugrats the search for reptar on playstation 3?

No, you cannot play "Rugrats: Search for Reptar" on PlayStation 3 as it was originally released for the PlayStation 1. The PS3 is backward compatible with some PS1 games, but "Rugrats: Search for Reptar" is not available on the PSN store for download. If you want to play it, you'd need to find a PS1 console or a PS1 emulator.