Description: Upon a visit to his grandfather’s old mansion, Alex found a mysterious book in the library. The book contained many cryptic notes left by his late grandfather. Alex was able to decipher the notes and find a hidden door to a secret underground passage. Curious as to what lied beyond the passage, Alex called on several of his friends to help him explore. At the end of the passage, they found what looked like an ancient tomb, but in reality it was a tomb left behind by aliens – full of hidden treasures and other secrets waiting to be discovered.