How it works

Three ways to explore.

Browse the codex

Biases are grouped into five categories. Scan the badges, find one that intrigues you, and click to open a deep dive.

Each deep dive includes a thought experiment. Make a choice, see if bias influenced it, and read the debrief.

Use the Bias Comparator to see any two biases side by side — spot the differences in how they shape thinking and decision-making.