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HIDDEN TEAMS
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¯ All-Stars and Legend Teams:
  Win the named Cup with the named Team under the hard difficulty setting to
  unlock the corresponding hidden Team.

    African All-Stars Team    International Cup   any African Team
    American All-Stars Team   International Cup   any American Team
    Asian All-Stars Team      International Cup   any Asian Team
    European All-Stars Team   International Cup   any European Team

    English Legend Team*      World League        England
    Dutch Legend Team*        World League        Holland
    Italian Legend Team*      World League        Italy
    German Legend Team*       World League        Germany
    Brazilian Legend Team*    World League        Brazil
    Argentinean Legend Team*  World League        Argentina

    * Note: This must be done from the start, including the regional
      qualifying messages.

¯ Gladius Team:
  Unlock all regional All-Stars Teams and then purchase them. Now win the
  International Cup in the Group League with any team to face the Gladius
  Team and defeat them.