The short but action-packed history of video games contains certain seminal moments that, in retrospect at least, represented true changes in how this young art-form has developed. Think of the escalating brutality of the first level of DOOM!; the slow dawning of realisation of the sheer size of Hyrule Field; the gleeful simplicity of Katamari Damacy. One such moment that stays with this reviewer is the opening of the game Myst -- a book falls through a dark void while a voice recites what seems to be a confession to something of which the player is incomprehending. The opening of "The War Against Memory" evokes a similar feeling of desperate mystery. A figure sits at a desk, frantically scribbling disjointed facts (the population of Brazil in 1968; the location of a rural post-office in Nebraska; breakfast 11th May, 1998) onto pieces of paper, each of which he sets alight with a battered Zippo and drops in a trash can. This mystery, however, (unlike many others in the...