Revised Level Maps : (Click To Enlarge) --- Map Diagram Color Key : * Light Beige - accessible floorspace from in-game * Black - Structural walls (reinforced concrete - primary watertight structure) * Dark Grey - bulk foundation concrete (built ontop/into seabed rock) * Orange - Additional space within given structural walls (not visible in-game) - including many utility space (ie- sumps at lowest level) * Green - Continuations of a floor level (implied by a door or windows or blocked passage/door or similar stacked floors) * Blue - Ocean Water areas (water contacting exterior surface) * Brown - Seabed and some interior structures like banister rails/outlines of furniture/machines * Red - Atlantic Express tracks, doors and airlocks, some machinery/pipes