Santa Vaca: A Hack of the World's Most Popular RPG

From publisher blurb: For some reason or another, I was thinking, “Could I change D&D without changing the character sheet?” After a short while, I said, “Yeah. I could.” — from the Introduction Santa Vaca is a hack of the world’s most popular RPG. It includes all the “sacred cows” of the game, but all new mechanics for each. It includes: A whole new system using the standard d20 A new way to use abilities A new way to use alignment A new way to use armor class A new way to use hit points A new way to use just about everything on your character sheet An alternative system using d6s instead of the standard d20 Two completely different magic systems GM advice