Brand New, Never Opened.
"999: Nine Hours, Nine Persons, Nine Doors" is a puzzle-adventure game developed by Aksys Games for the Nintendo DS platform. The game follows the story of nine individuals who are trapped in a haunted house, each in a different room with only one door leading to freedom. The player must solve puzzles and interact with each character to ultimately escape the house within nine hours. With a mature rating, players can expect a thrilling and immersive experience as they navigate through the various challenges in the game.