▁simply ▁experience ▁" dam age ▁conditions " ▁like ▁that ▁of ▁Mut ants ▁& ▁Master m inds . ▁ ▁Instead ▁of ▁experience ▁points , ▁characters ▁automatically ▁increase ▁in ▁level ▁at ▁the ▁N arr ator ' s ▁dis cret ion , ▁usually ▁after ▁one ▁or ▁two ▁advent ures . ▁ ▁Lic enses ▁and ▁third - party ▁products ▁▁ ▁Since ▁before ▁its ▁release , ▁the ▁True 2 0 ▁system ▁has ▁been ▁open ▁to ▁users ▁under ▁the ▁terms ▁of ▁the ▁Open ▁G aming ▁License . ▁To ▁use ▁the ▁True 2 0 ▁logo ▁though ▁required ▁a ▁separate ▁license ▁and ▁license ▁fee ▁purchased ▁from ▁Green ▁Ron in . ▁Several ▁companies ▁have ▁taken ▁advantage ▁of ▁this ▁to ▁produce ▁their ▁own ▁True 2 0 ▁titles . ▁On ▁April ▁ 1 2 , ▁ 2 0 0 8 , ▁Chris ▁Pr am as ▁of ▁Green ▁Ron in ▁Publishing ▁announced ▁a ▁new , ▁free ▁lic ens ing ▁agreement ▁with ▁third - party ▁publish ers ▁to ▁produce ▁True 2 0 ▁products . ▁Details ▁were ▁posted ▁on ▁the ▁company ’ s ▁website ▁and ▁for ums , ▁and ▁met ▁with ▁pra ise ▁from ▁publish ers , ▁fre el anc ers ▁and ▁players ▁al ike . ▁ ▁See ▁also ▁ ▁Blue ▁Rose ▁ ▁Mut ants ▁& ▁Master m inds ▁- ▁True 2 0 ' s ▁damage ▁mechan ics ▁are ▁shared ▁with ▁this ▁game . ▁ ▁References ▁▁ ▁Steve ▁K enson ▁True 2 0 ▁Advent ure ▁Ro le play ing ▁( Green ▁Ron in ▁Publishing , ▁ 2 0 0 6 ) ▁▁ ▁Vari ous ▁Auth ors ▁True