Grim-n-Gritty Hit Point and Combat Rules 3.3
Grim-n-Gritty Advanced Armor Rules 1.3 (RTF)
Grim-n-Gritty Critical Hits Revised 1.3 (RTF)
NPC Character Sheet
d20 Skills-n-Feats Martial Arts System
d20 Skills-n-Feats Psionics System
House rules by Higgins:
* All living creatures die at -[their Con score] hit points.
* Size modifiers to attack and defence are doubled.
* Penalties for called shots are halved.
* Creature brought back from negative hit points is stunned for one round.
* Clerics, Priests and Paladins (and Birthright druids) have no access to their higest level spells without their holy symbol.
* Stiletto ignores AR of all physical armors.
* Feats needed for crafting magical items.
* Dynamic Spellcasting 1.0 (RTF).