The Zack Files - The Missing Episode Description:

A possessed Gargoyle has trapped three boys in the library of their school. Now it is up to you to help get them out. The Zack Files - The Missing Episode is a live action Supernatural Mystery Game. Scour the library and uncover clues, solve riddles and puzzles and answer the Gargoyle's questions before the sands of time are all gone. With one move you can bring the boys closer to their freedom or closer to their doom.