NoWay back Mansion [Version English]

I hope readers enjoy my novel.
And the warning English isn't my first language. Ignoring all the mistakes. One more point, if you think my novel doesn't make sense. Please leave. Thanks you.

These stories talk about the eight people who found them in the Noway back mansion after they were passed out by the anesthetics. One of the eight people is behind everything. He caused the scenes. Even establish the game called the Truth behind the death. Does our Alexander find the mysterious who he/she was??.

Explain the game called the truth behind the death. These games have three stages. First one easy. Second and third are the hardest.

Name, stage 1( Game leads to death)
Stage 2 ( blood waterfall)
Stage 3 ( poison wine)