The Evolution of Trust
A famous interactive guide to why people trust — and cheat — each other.
Open-source project "The Evolution of Trust" by Nicky Case (Chinese translation: Firfr), used under the CC0 (public domain) license. Source code
Runs in your browser. Nothing you enter is sent or stored.
How to use The Evolution of Trust
- Press start and follow the story.
- Play the coin machine against different characters and run tournaments.
- Finish the guide (about 30 minutes) to see what makes trust grow or collapse.
Frequently asked questions
Who made it?
Nicky Case, who dedicated it to the public domain (CC0). The Chinese version is a community translation, also CC0.
Does it save my place?
No, it's short enough to play in one sitting — about 30 minutes.
Is The Evolution of Trust free?
Yes. The Evolution of Trust is free to use with no sign-up and no watermark.
Is my information saved or sent anywhere?
No. Everything is calculated in your browser. Nothing you enter is sent to a server or stored.
Does it work on my phone?
Yes. It works in any modern browser on Windows, Mac, Linux, Android and iPhone. Very large files may be slow on older phones.