Tìngäzìk: a Retrospective – ep. 21 “Decompress”

Decompress #pokémon

Expected solvable difficulty

  • 1sample+: experienced solvers
  • keywords+: most solvers

Level design

Last stage of the Pokémon “Trilogy”, we have the Pokémon sprite compression algorithm (1, 2, 3) again talked in Retro Game Mechanism Explained.

Inside the video, Alex Losego showed a web tool that he made to run the compression/decompression algorithms against any sprite supplied in, which is very convenient for us to build or solve this question.

The first 4 numbers are the X/Y offset, width and height of the sprite, followed by the compressed sprite data. To recover the data, write the hex data to a file, supply it with the parameters to get the actual sprite image.

Expected thought process

With the sample answers, find the video that talks about the decompress methods. Decompress the image from the question and find the answer.


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