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by mjbrusso 2002 days ago
> I don’t have a link to back it up but I recall that yes, PICO-8 in fact uses the two least significant bits of each color channel, respectively.

"The cart data is stored using a steganographic process. Each PICO-8 byte is stored as the two least significant bits of each of the four color channels"

https://pico-8.fandom.com/wiki/P8PNGFileFormat