code: def is_nomad(self):
          
          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
docs: Is this game nomad.
  
          TODO: Can we get from UP 1.4 achievements?