▁World ▁has ▁almost ▁always ▁remained ▁strongly ▁compatible ▁with ▁the ▁then - current ▁edition ▁of ▁Dun ge ons ▁& ▁Drag ons ▁( D & D ). ▁Attribute ▁generation ▁is ▁much ▁the ▁same ▁for ▁instance ▁with ▁a ▁range ▁of ▁ 3 ▁to ▁ 1 8 , ▁randomly ▁generated ▁by ▁rolling ▁three ▁six - s ided ▁dice . ▁The ▁attributes ▁themselves ▁are ▁the ▁same , ▁but ▁with ▁occas ional ▁name ▁changes ▁such ▁as ▁Phys ical ▁Str ength ▁instead ▁of ▁Str ength ▁and ▁M ental ▁Str ength ▁instead ▁of ▁Wis dom . ▁This ▁allows ▁G amma ▁World ▁and ▁D & D ▁characters ▁to ▁potentially ▁cross ▁over ▁gen res . ▁ ▁Character ▁generation ▁is ▁mostly ▁random , ▁and ▁features ▁one ▁of ▁the ▁game ' s ▁most ▁distinct ive ▁mechan ics , ▁the ▁mut ation ▁tables . ▁ ▁Play ers ▁who ▁choose ▁to ▁play ▁mut ants ▁roll ▁dice ▁to ▁randomly ▁determine ▁their ▁characters ' ▁mut ations . ▁ ▁All ▁versions ▁of ▁G amma ▁World ▁es ch ew ▁a ▁real istic ▁port ray al ▁of ▁gen etic ▁mut ation ▁to ▁one ▁degree ▁or ▁another , ▁instead ▁giving ▁characters ▁fant astic ▁ab ilities ▁like ▁psych ic ▁powers , ▁las er ▁be ams , ▁force ▁fields , ▁life ▁dra ining ▁and ▁others . ▁Other ▁mut ations ▁are ▁extensions ▁or ▁extrem es ▁of ▁naturally ▁existing ▁features ▁trans posed ▁from ▁different ▁species , ▁such ▁as ▁elect rical ▁generation , ▁inf ra vision , ▁qu ills , ▁extra ▁lim bs , ▁dual ▁bra ins , ▁car ap aces , ▁g ills , ▁etc . ▁