I have recently been on an OSR D&D kick recently, and it has come to my attention that the system is basically a d6 engine. Consistent through several elder editions: Ability scores are generated via rolling 3d6. Starting gold is calculated via rolling 3d6. Reaction rolls are determined via rolling 2d6. Morale rolls are determined via rolling 2d6. Surprise is determined via rolling 1d6. Initiative is determined via rolling 1d6. Forcing open and listening at doors are determin