#install doom and shareware wad sudo apt install -y prboom-plus doom-wad-shareware #wget Ultimate Doom IWAD #https://archive.org/download/2020_03_22_DOOM/DOOM%20WADs/Ultimate%20Doom%2C%20The.zip/DOOM.WAD sudo wget -c "https://tinyurl.com/doomiwad2023" -O /usr/share/games/doom/doom.wad doom