Is this game nomad.

        TODO: Can we get from UP 1.4 achievements?

def is_nomad(self):
        """Is this game nomad.

        TODO: Can we get from UP 1.4 achievements?
        """
        nomad = self._header.initial.restore_time == 0 or None
        for i in range(1, self._header.replay.num_players):
            for obj in self._header.initial.players[i].objects:
                if obj.type == 'building' and obj.object_type == 'tc_1':
                    return False
        return nomad