GURPS GM Aid table file version 1.1
Standard GURPS critical hit table
crit hit
3
18
3d6
3 - If the blow hit the torso, it does normal damage and the foe is knocked unconscious.  Roll vs. HT everey 30 minutes to recover.  Otherwise, it does triple damage.
4 - The blow bypasses all armor and does normal damage.
5 - The blow does triple normal damage.
6 - The blow does double normal damage.
7 - Normal damage only -- and foe is stunned until he makes his HT roll.
8 - If the blow hit an arm, leg, hand, or foot the blow does normal damage, and that body part is crippled regardless of the damage done.  However, this is only a \"funny-bone\" injury, and will wear off in six turns.  (Of course, if enough damage is was done to cripple the limb anyway, it does not wear off!)  Otherwise, the blow does normal damage.
9 - Normal damage only.
10 - Normal damage only.
11 - Normal damage only.
12 - If the blow hit an arm, leg, hand, or foot the blow does normal damage, and that body part is crippled regardless of the damage done.  However, this is only a \"funny-bone\" injury, and will wear off in six turns.  (Of course, if enough damage is was done to cripple the limb anyway, it does not wear off!)  Otherwise, the blow does normal damage.
13 - The blow bypasses all armor and does normal damage.
14 - If the blow hit an arm, leg, hand, or foot the blow does normal damage, and that body part is crippled regardless of the damage done.  Otherwise, the blow does normal damage.
15 - Enemy's weapon is dropped, and he takes normal damage.
16 - The blow does double normal damage.
17 - The blow does triple normal damage.
18 - If the blow hits the torso, it does normal damage and the foe is knocked unconscious.  Roll vs. HT every 30 minutes to recover.  Otherwise, triple normal damage."