the usual disclaimer i do not give 1 star rating to movie which be harmless and bad and low budget and silly and although they may deserve it . these film be often funny and and get rat 2 4 base sheerly on entertainment value not a a representation of their exemplary film artistry . this film fit this model perfectly . it be a mexican monster movie and riddle with voice over narrative and extremely weak not so special effect . the makeup be not that bad and and the acting be sometimes quite entertaining and but this film be almost as silly a alien vs predator and the script isn not half a slick ( aliens v predator might get a 1 from me and but i want to see it again before i commit ) . the plot be ridiculous and but deliciously convolute . if you have read this far and you must really want to know . a group of remarkably unscientific scientist comprise the main character . most of them be heroes sort of but one be ( of course ) mad and and quite perverse . this mad scientist invents a laughable nuclear power robot ( who look a bit like the tin man from wizard of oz and but have a human face inexplicably locate inside it head ) . an aztec mummy and discover by the same cientist whose wife just so happen to have be an aztec princess in a past life ( do not ask ) and be pit against the robot for the big climax the fight scene alone be enough to put the most stoic movie watcher on the floor in belly laugh . for what it worth and give the budget and the utter silliness of the script and this be a very entertaining low budget goof ball monster movie . if youre into that sort of thing and go for it .