A Game of Schrödinger’s Cats consists of a series of experiments (rounds of play) in Schrödinger’s lab. Each game will consist of a number of rounds equal to one less than the number of starting Scientists (players) - so if there are 4 players there will be 3 rounds. In each experiment, there are a number of boxes (cards), equal to the square of the number of players, since each player is dealt one card per player.

Here is a simple equation to remember it by:

N Scientists = N Boxes in Hand = N² Boxes in the Experiment