Extracting Retro Engine games requires knowing exactly what every file is named. This takes a lot of guesswork, so I and a few others have been taking on this task for the last few days. This video shows me testing a repacked Sonic3ku.rsdk file, which contains all of Sonic 3K's assets for Sonic Origins. If the game doesn't find a sprite animation file for something, it uses the next file loaded to display those sprites instead. As you can tell... I forgot to extract a few sprites properly.
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