Aşağıdaki kodları "Settings" kısmında "Secret Codes" seçeneğinde girin. Bu kodlar oyundaki gizli takımları açar:
     
     Kod             Takım
     ------------    -------------
     Lionpower       '57 Lions
     Goldrush        '57 49ers
     Jollygreen      '58 Giants
     Stables         '58 Colts
     Greenwings      '60 Eagles
     Getem           '62 Texans
     Therewasaman    '62 Oilers
     Megiveyou       '66 Chiefs
     Champs          '66 Packers
     Whoshotjr       '66 Cowboys
     Blitzer         '67 Rams
     Snowplow        '67 Packers
     Tundra          '67 Cowboys
     Heidi           '68 Raiders
     Shocker         '68 Colts
     Tvtimeout       '68 Jets
     Nofluke         '69 Chiefs
     Allfluke        '69 Vikings
     MNF             '70 Browns
     Damnyankees     '70 Jets
     Peopleeater     '70 Vikings
     Overtime        '71 Cheifs
     Longestgame     '71 Dolphins
     Stars           '71 Cowboys
     Lucky           '72 Steelers
     Perfect         '72 Dolphins
     Airshow         '72 Colts
     Defenders       '74 Dolphins
     Struggle        '74 Raiders
     Steelcurtain    '74 Steelers
     Tark            '74 Vikings
     Miracleleap     '75 Steelers
     Purple          '75 Vikings
     Hailmary        '75 Cowboys
     Ghosttothepost  '77 Colts
     Usateam         '77 Cowboys
     Theghost        '77 Raiders
     Recordnight     '78 Cowboys
     Cannedtuna      '78 Dolphins
     Dynasty         '78 Steelers
     Holy            '78 Raiders
     Roller          '78 Chargers
     Earl            '78 Oilers
     Comeback        '79 Cowboys
     Pirates         '79 Bucaneers
     Aheadatthehalf  '79 Redskins
     Blockedkick     '81 Dolphins
     Ironman         '81 Chargers
     Thecatch        '81 49ers
     Tigers          '81 Bengals
     Nochance        '81 Cowboys
     Homesick        '83 Raiders
     Dantheman       '84 Dolphins
     Giantslayer     '85 Dolphins
     Upset           '85 Bears
     Blowout         '85 Patriots
     Flyaway         '85 Falcons
     Thedrive        '86 Broncos
     Nonstop         '86 Browns
     Hitter          '87 Broncos
     Fumbleruski     '87 Browns
     Nohope          '88 Bengals
     Bengalkiller    '88 49ers
     Crushed         '89 Broncos
     Wideright       '90 Bills
     Oneeye          '90 Raiders
     Ilovekickers    '90 Giants
     Neonlights      '91 Falcons
     Toomuch         '91 Lions
     Comebackkid     '92 Bills
     Weakdefense     '92 Oilers
     Howboutem       '92 Cowboys
     Notagain        '93 Bills
     Charge          '94 Chargers
     Ouch            '94 Broncos
     Olejoe          '94 Chiefs
     Bythebay        '94 49ers
     Defense         '96 Panthers
     Almost          '96 Packers
     Overdue         '97 Broncos
     Nopackattack    '97 Packers
     Giftball        '98 Falcons
     Missedchance    '98 Vikings
     Noluck          '98 Packers
     The catchtwo    '98 49ers
     Miracleplay     '99 Titans
     Nowhereman      '99 Rams
     Inthegame       EA Sports
     Kingtut         Mummies Team
     Maddenmen       Millenium Team
     Supermadden     Superbowl Team
     madden84        1984 Madden Team (hepsi)
     86madden        1986 Madden Team (hepsi)
     madden88        1988 Madden Team (hepsi)
     90madden        1990 Madden Team (hepsi)
     madden92        1992 Madden Team (hepsi)
     94madden        1994 Madden Team (hepsi)
     madden96        1996 Madden Team (hepsi)
     98madden        1998 Madden Team (hepsi)
     1999mad         1999 Madden Team (hepsi)
     Brownbear       Bears (hepsi)
     Bluebills       Bills (hepsi)
     Buckingbronco   Broncos (hepsi)
     Bluechargers    Chargers (hepsi)
     Redchiefs       Chiefs (hepsi)
     Whitecolts      Colts (hepsi)
     Bluecowboys     Cowboys (hepsi)
     Aquafins        Dolphins (hepsi)
     Greeneagles     Eagles (hepsi)
     Blackfalcons    Falcons (hepsi)
     Goldniners      49ers (hepsi)
     Biggiants       Giants (hepsi)
     Greenjets       Jets (hepsi)
     Silverlions     Lions (hepsi)
     Yellowpack      Packers (hepsi)
     Bigcats         Panthers (hepsi)
     Redpats         Patriots (hepsi)
     Silverraid      Raiders (hepsi)
     Goldrams        Rams (hepsi)
     Darkbird        Ravens (hepsi)
     Redindians      Redskins (hepsi)
     Marchingin      Saints (hepsi)
     Blacksteel      Steelers (hepsi)
     Conquer         Vikings (hepsi)