One core concept of PICO-8 is the artificial limit to 32 KiB per cartridge. While that would certainly also be enforceable with PNG data chunks, I think the 32

One core concept of PICO-8 is the artificial limit to 32 KiB per cartridge. While that would certainly also be enforceable with PNG data chunks, I think the 32K restriction lends itself to the steganographic solution more naturally than using a chunk would.