One popular category of movies/animes/lightnovels has always been death games. When it comes to death games you really need to check out the classics such as Charlie and the Chocolate Factory. A magnificent torture factory that somehow magically made itself pg-13. It has everything that a good death game needs. Characters with flaws, intricate traps that target specific people, close to 0 chance of survival, dancing and singing midgets, a chaotic neutral game master with a sad backstory, a prize that isn't exactly what it seems and so many more.
Charlie and the Chocolate factory has definitely been the inspiration behind a few of the information gathering rooms at the