Exposing Tom Nook's Secret Codes

The “secret code” system in the original Animal Crossing is both super cool, but also somewhat painful to use. Luckily, players can now generate their own codes themselves through the work of some pretty fascinating reverse engineering.

This video includes mistakes, misinformation, or oversights! See below for corrections.

Mistakes & Corrections

There are 64 possible characters the game pulls from to make the password, but I’m ommitting ‘#’ and ‘%’ in the shown graphic at 02:23. You would think this makes 66 characters, but it turns out ‘0’ and ‘1’ are translated to ‘O’ and ‘l’ by the game internally. This means only ‘l’ and ‘I’ are responsible for incorrect character confusion.

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