Secret Creepers Adventures Platform(s): Region(s): Release Date(s): Developer: Publisher: Distributor: Play online link: Video game shop link: Video game shop link 2: Video game shop link 3: Secret Creepers Adventures is a game released on the Monster High website on April 03, 2014. It promotes the Secret Creepers - Pets and Secret Creepers - Critters merchandise and ties in with the "Creature Creepers Adventures" series of webisodes, including narration by Jane Boolittle.