They came, they saw, they conquered - or so they thought. They didn't expect a resistance, after destroying our cities, mutating our people and occupying our planet they expected us to die. No - they are the ones going to die. They will pay for what they've done. They will pay with their blood in full! KILL THEM ALL! The last surviving solider of his squad vows revenge on the alien apocalypse. Kill Them All is a purely action driven first person shooter where the player faces mobs of enemies down with an assortment of military and alien weaponry. Kill Them All in urban cities, forest valleys, mountain ranges, military compounds and establish a foothold on the aliens home world.