The Evolution of Trust

Playable intro to game theory

Why does trust build up, and why does it fall apart? Find out step by step.

Make it mineTry it

“Make it mine” asks you to sign in first. On the Free plan, your copy is your one app; you can delete it any time.
“Try it” opens a copy Tofu keeps online for trying: what you do there stays in your browser.

Made by
ncase
Licence
CC0-1.0
Popularity
6.3k stars on GitHub
Uses
Just a browser

What you can do

  • Play a coin game where you decide whether to trust
  • Watch a tournament to see which way of playing wins
  • Read the footnotes to learn more

Who it’s forAnyone curious about people, and economics classes

Once it’s yours

  • Your own copy, at its own address
  • Anyone with its address can open it, until you choose who can
  • Change it with your own coding agent

Ideas for changing it

Once it’s live, give any line below to your coding agent.

  • Add a question for students at the end of each chapter

  • Translate all the text into Chinese

  • Put our school's name on the opening screen

Source and licence

The Evolution of Trust is open source: its authors, ncase, published the code for anyone to use and change.

Its licence, CC0-1.0, lets you use and change it freely, with no conditions.

Your copy is the version you copied; the authors’ later updates don’t arrive by themselves.

This version on TofuThe authors’ original code

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