This is a six-guns and sorcery setting for Goodman Games' Dungeon Crawl Classics setting. It's a fairly lethal, OSR style game intentionally evocative of it's '70's era predecessors -- set in a supernatural, steampunk, spaghetti western setting.
Here's the Black Powder / Black Magic setting.
Here's the DCC Core Rulebook, for those interested.
Reference Sheets
*Fumble Table on pg. 19
*Lvl 0 Crit Table on pg. 20
Old School Primer <--- This may be informative!
