Rugrats Mystery Adventures

Rugrats Mystery Adventures is an adventure game that was released by famous toy manufacturing company Mattel for Microsoft Windows, on September 15, 1999; as the name suggests, it is the sixth title in the series. Mattel also previously manufactured the "Dare to Scare" toyline for Klasky-Csupo Inc.'s second Nickelodeon cartoon Aaahh!!! Real Monsters in 1995 (which was made up from Ickis, Oblina, Krumm, Dr. Gromble, and eight brand-new monsters who never appeared in the show).

Story
This is taken from the back of the game's box, the front of which is displayed in the image to the right: