Combat in d6 RPG is just another form of Success Test with an unmodified success level (SL) of  on 2D6. Character’s can use whichever attribute bonus is appropriate for the attack though agility is the most common. A character can have varying levels of success in their attack from obliterating their opponent in a single shot to permanently injuring their comrades.
Document adds optional rules to the game for fumble and critical hit results. Includes random tables for both.