Hello
CORE doesn t support pk3
## RECALBOX - SYSTEM PRBOOM ##
Put your DOOM 1 and 2 games (and their associated mods) in this directory.
Put your soundtrack in the directory ./game-musics
DOOM games must have a ".wad/.iwad/.pwad" extension.
DON'T ERASE "prboom.wad".
https://docs.libretro.com/library/prboom/
