Doom Desire unused voxels addon

Endlessly roaming through the Space, an alien fleet is closing to a blue planet. Its inhabitants, blissfully unaware of the upcoming threat, are struggling with the chaos they have to face everyday. And yet, it will all soon change. The world will finally become united against a common enemy. The Earth will never be the same anymore. But what will this war bring? Do the humans stand any chance against such a foe? Will everyone willingly join to fight the alien thread? And why, do the aliens seem to look so human-like?...