The One Man Army for Brutal Doom and Doom II.7z file you have requested: Maps Levels Missions / Brutal Doom Map - One Man Army - 4.9kb is not available. Perhaps try browsing all files for the game Doom II and upload any files you want to share or are missing. This is the only information we could locate:
I created this map for Brutal Doom but you can play it with other mods or on Doom II. Map was tested with GZDoom only.