the picture falters only in the last third, when the visuals become far too direct and obvious - the things you don't see are always so much scarier than the things you do, and "Mama" makes the mistake of spelling things out that were better left unseen
offers a strong sense of time and place, along with the kind of niceties that don't often figure into horror flicks, notably pictorial beauty, an atmosphere throbbing with dread and actors so good
it never hits the high notes of Mr. del Toro's own films or successfully weaves between reality and fantasy as it should. It's more like Juan Antonio Bayona's 2007 thriller The Orphanage