Goodbye Scissors-Paper-Stone

When I grew up we played scissors paper stone. And I still much prefer saying “scissors paper stone” to “rock paper scissors” (which, to be honest, always sounds a bit ugly to me).

But as this chart from Google shows, rock paper scissors has soundly thrashed scissors paper stone. So it’s time to change. But we’re not going to rush into it. We’re a (very) small team with a huge to-do list. So for new games, and as we update old games, we’ll make the change.

Rock Paper Scissors v Scissors Paper Stone

Since the mid 90s, rock-paper-scissors beats scissors-paper-stone

So why do we use rock paper scissors for our resolution system?

We use rock-paper-scissors in our murder mystery games for several reasons:

  • First, almost everyone in the entire world knows how to play.
  • Second, you don’t need any special equipment to play.
  • Third, the only outcomes are win/lose/draw – which is enough for our resolution system. (I’ve written about making sure you know what happens on a draw before here.)

(By the way, we don’t use rock-paper-scissors-lizard-spock (or any of the other variants) because it’s neither well known nor intuitive. And we don’t need the added complexity.)

But I’m not very good at RPS?

One of the downsides of RPS (and perhaps it’s biggest failing), is that it isn’t completely random. There’s a psychological angle – people aren’t completely random. Here’s a clip of Derren Brown winning time and time again against football fans. (And here’s a blog post analysing Derren’s technique.)

This article from the BBC highlights some strategies that players adopt that prevent the game from being completely random.

  • Players who win, tend to stick with their winning rock, paper or scissors.
  • And players who lose, tend to change – but they tend to follow the order of rock, paper and scissors. So players losing with paper tend to change to scissors for the next game. (I don’t know if that also applies to those of us who grew up calling the game scissors paper stone…)

So now you know that, you can use this information to beat your friends. (Unless they’ve also read the article, in which case all bets are off.)

In fact, if you’d like to test your skill, try this RPS simulator.

Truly random rock paper scissors

And if you’re still uncomfortable playing rock paper scissors, I picked up these dice on Amazon.

RPS dice

Rock-paper-scissors dice

Steve Hatherley

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