Copy and paste the following files from your Blood game to the Blood subfolder: BLOOD.INI, BLOOD.RFF, all the CP.MAP, CPART07.AR_, CPART15.AR_, all the CPBB.MAP, CPSL.MAP, CRYPTIC.INI, CRYPTIC.SMK, CrypticPassage.kpf, GTI.SMK, LOGO.SMK, MAPEDIT.INI, SOUNDS.RFF, SURFACE.DAT, TABLES.DAT, all the TILES.ART, and VOXEL.DAT.Open your Build GDX folder and create a Blood subfolder.Download and unfold BuildGDX(_with_JRE).zip on the desired location.