pitch black be a surprisingly good movie . i be not a fan of vin diesel before i saw pitch black and but after see pitch black my respect for vin diesel have go up . he do a great job play riddick a man want for many murder . his character be cold and make many decision that surprise me and like near the end riddick be go to get on the ship and save his own as leave everyone behind to die . i like this movie and how it deal with human instinct . this movie be low budget but this movie go to show you do not need amaze special effect and lot of money to make a good movie and i think all the character make this movie . i give this movie positive while ) .