. ▁This ▁followed ▁from ▁the ▁author ' s ▁previous ▁port ▁of ▁T ek W ar ▁released ▁in ▁January ▁ 2 0 1 6 , ▁and ▁has ▁been ▁followed ▁up ▁by ▁ports ▁for ▁W itch aven ▁and ▁Red ne ck ▁R amp age , ▁now ▁collect ively ▁called ▁Build G D X . ▁A ▁further ▁port ▁of ▁Blood , ▁called ▁N B lo od , ▁was ▁released ▁in ▁January ▁ 2 0 1 9 ▁based ▁on ▁ED u ke 3 2 ▁and ▁the ▁cre ator ' s ▁previous ▁Red n uk em ▁port ▁for ▁Red ne ck ▁R amp age ' '. ▁ ▁Success or ▁ ▁After ▁multiple ▁attempts ▁to ▁design ▁a ▁successor ▁to ▁Build , ▁Silver man ▁again ▁began ▁experiment ing ▁with ▁such ▁an ▁idea ▁in ▁ 2 0 0 6 . ▁He ▁used ▁this ▁work ▁- ▁now ▁called ▁Build ▁ 2 ▁- ▁while ▁teaching ▁ 3 D ▁game ▁programming ▁to ▁children ▁at ▁a ▁summer ▁camp ▁from ▁ 2 0 0 7 ▁until ▁ 2 0 0 9 , ▁and ▁work ▁continued ▁until ▁ 2 0 1 1 ▁when ▁he ▁lost ▁interest ▁in ▁the ▁project . ▁It ▁features ▁a ▁more ▁advanced ▁light ing ▁system , ▁vo x el ▁rendering ▁for ▁entities ▁and ▁true ▁room - over - room ▁ 3 D ▁spaces , ▁and ▁at ▁least ▁in ▁part ▁retained ▁backwards ▁compatibility ▁with ▁the ▁original ▁Build . ▁Silver man ▁released ▁his ▁draft s ▁to ▁the ▁public ▁on ▁March ▁ 7 , ▁ 2 0 1 8 . ▁The ▁source ▁code ▁was ▁published ▁on ▁June