🐧 EVERYDAY LIFE⚡ 16 SEC

Be kind first, copy back, and sometimes forgive: the winning rule 🔁

A low-poly wood and paper penguin standing next to a small shiny brushed metal trophy cup

The Contest

Robert Axelrod held a contest where computer programs with many strategies played against each other.

The Winner

The winner was a very simple rule.

The Rule

Be kind first, and if the other side betrays you, do the same back next time.

⚡ TRY IT

7 rounds with a sly penguin

Each round, you both secretly choose: share the snack, or keep it.

🎁🎁 Both share: +3 each 🔒🎁 One keeps: keeper +5, sharer 0 🔒🔒 Both keep: +1 each

You

Sly

Let's play 7 rounds! Hehe. Nice, we both shared! Hey! You kept it?! You kept last time, so I keep now. Hmm. Nobody wins this way. Hehe, I kept it this time… You still share? Then I'll keep again~ You forgave me? Yay, friends again! I wanted to make up, and you took it? Hmph! I don't trust you anymore.

Round 1/7

Your points:0

🌱 Kind first 🔁 Copy back 💗 Forgive

🏆

You played the champion rule: kind first, copy back, forgive!

Good game! Try to light up all 3 badges.

🌱 Start with "Share."