First, you must choose a place, any place but not your own house please! A known haunted house would be ideal.
Then prepare some black candle, fire matches, salt, a piece of paper and pen.
When you are ready, go to the house and choose a door to start the game. After a door is chosen, then make a protective circle with salt. And write your name on the paper and smear a drop of your own blood on the paper. Following that, shut down all lighting and light the black candle right on midnight.
Now, you must start burning the paper with your name and blood on it. As soon as the paper is burnt, then please do knock the door 22 times and after the final knock, open the door and extinguish the candle flame.
Following that, shut the door and light the candle again.
Now you have summoned the 'Midnight Man'. What you must do now is just to sit in the dark quietly until after 4 a.m. If you can last until that time, then you have won the game or the consequence is very bad.
You may feel a sudden temperature drop, someone whispers near your ear, candle flame flickers or even extinguished. All of those signs simply meant that the Midnight Man is around you.
On the event that the candle flame went dead or completely burnt down, a new candle must be lit or the Midnight Man will catch hold of you and drag you into the other side of the door.
If you survived, then you may make a request to the Midnight Man. He may negotiate a term with you. As to what term the Midnight Man wanted, no one has come back from the game with a sober mind to tell his side of the story.
So, for your own safety, don't even think of playing it!