Dementium II (USA) (日本語: デメンティウムII) is an action-adventure horror video game developed by Renegade Kid for the Nintendo DS. The game follows the story of William Redmoor, a man who wakes up in a bizarre and hostile environment with no memory of his past. As he explores the world, he must battle monsters, solve puzzles, and uncover the secrets of his mysterious past. The game features a unique dual-screen interface, allowing the player to use both screens to explore the environment and interact with objects. It also features a variety of weapons and upgrades, as well as a robust soundtrack. Dementium II is a thrilling, immersive horror experience that will keep players on the edge of their seat.