HD (High Density) Housing is the third tier of housing and generally represents a highly urbanized society. It is comprable to major urbanized cities in the year 2010 such as Tokyo and New York.
This Housing type is unique in that in addition to the food requirements for LD and MD Housing, HD Housing requires .5 units of electricity for every population which inhabits the building. This housing type is very powerful in the mid-late game. Has 8 bunker slots.