How many games are there for Natalie Brooks?

As of my last knowledge update in October 2023, there are three main games in the Natalie Brooks series: "Natalie Brooks: The Treasures of the Lost Kingdom," "Natalie Brooks: Mystery at Hillcrest High," and "Natalie Brooks: The Secrets of Treasure House." These games are adventure and puzzle-solving titles that follow the character Natalie as she embarks on various quests. For the latest information, always check the official game websites or platforms.