Family Mysteries: Poisonous Promises is an adventure game developed by Brave Giant for Play Station 4. The game is set in a magic city of palm trees, yachts, and high rollers. You play as a detective, investigating a mysterious murder case with your partner Duke. The murder case involves a rich dynasty, an exploded yacht, two survivors, and an ominous-looking drowned person with traces of poison in the body.

The game requires you to find clues, interrogate witnesses, analyze samples, and gather evidence to uncover the murderer and the bigger scheme behind the murder. The game is action-packed and set in a glamorous yet deadly city, evoking a fanciful nostalgia for TV hits like Miami Vice, Beverly Hills Cop, and CSI. The game features 34 engaging mini-games, including match 3, and 38 beautiful Miami-inspired locations. Unlock alternative options to choose optional paths and discover what happened on the yacht in the Bonus Adventure!