The Imperium Maledictum - Core Rulebook and Gamemaster's Screen for Warhammer 40K RPG is a product of Cubicle 7 released in 2023. It is designed specifically for Warhammer 40K players looking to immerse themselves in the intricacies of the science fiction universe, providing detailed rules and guidelines for gameplay. The addition of the Gamemaster's Screen allows for easier management and organization of the game, enhancing the overall experience for both players and the Game Master.