Is the Son of Sam Game Real From 'Only Murders in the Building'?

Warning: The following article contains spoilers for Season 2, Episode 5 of Only Murders in the Building on Hulu.

Episode 5 of Only Murders in the Building Season 2 introduced fans to the Son of Sam card game. Oliver (Martin Short) explains the rules. Everyone is dealt a card, but only one person gets the Son of Sam card, indicating that they’re the murderer of the group.

The lights are then turned off, after which the murderer pinches someone.

Source: https://www.distractify.com/p/is-the-son-of-sam-game-real-only-murders-in-the-building