ber p unk ▁settings . ▁One ▁setting , ▁F ires ▁of ▁Am ats um ara ▁is ▁currently ▁available ▁from ▁West ▁End ▁Games . ▁Another , ▁Dead ▁Night ▁of ▁Space , ▁by ▁license e ▁Final ▁S word ▁Produ ctions ▁is ▁compatible ▁with ▁these ▁rules . ▁ ▁System ▁D 6 ▁Space ▁uses ▁the ▁D 6 ▁Classic ▁System ▁rules et , ▁and ▁is ▁thus ▁compatible ▁with ▁other ▁games ▁using ▁those ▁rules . ▁Some ▁differences ▁do ▁exist ▁between ▁D 6 ▁Space ▁and ▁other ▁related ▁games . ▁D 6 ▁Space ▁uses ▁Ag ility , ▁Mechan ical , ▁Str ength , ▁Know ledge , ▁Per ception ▁and ▁Techn ical ▁as ▁its ▁attributes . ▁A part ▁from ▁Ag ility ▁replacing ▁D ex ter ity , ▁this ▁is ▁the ▁same ▁attribute ▁set ▁previously ▁used ▁by ▁The ▁Star ▁Wars ▁Ro le play ing ▁Game . ▁A ▁sevent h ▁optional ▁attribute , ▁Met aph ys ics , ▁is ▁also ▁possible . ▁ ▁The ▁Met aph ys ics ▁attribute ▁is ▁used ▁by ▁a ▁new ▁free - form ▁power ▁system . ▁This ▁is ▁based ▁on ▁the ▁Special ▁Effect s ▁system ▁from ▁Master book ▁( which ▁was ▁derived ▁from ▁the ▁magic ▁system ▁from ▁T org ). ▁This ▁rep laces ▁the ▁system ▁for ▁using ▁The ▁Force ▁from ▁The ▁Star ▁Wars ▁R PG , ▁and ▁the ▁Ps ion ics ▁system ▁used ▁in ▁the ▁earlier ▁D 6 ▁Space ▁Opera ▁PDF . ▁ ▁S cal ing ▁( a ▁method ▁of ▁determ ining ▁how ▁combat ▁is ▁handled ▁between ▁combat ants ▁and ▁objects ▁of ▁stark ly ▁different ▁sizes ) ▁uses ▁a ▁numeric