Cheat mode:
Select the "Settings" option, then choose "Secret Codes":

Result - Code:

All-Time 49ers - GOLDNINERS
All-Time Bears - BROWNBEAR
All-Time Bengals - ORANGETIGER
All-Time Bills - BLUEBILLS
All-Time Broncos - BUCKINGBRONCO
All-Time Browns - LITTLEBROWNS
All-Time Buccaneers - MIGHTYBUCS
All-Time Cardinals - FLYINGCARDS
All-Time Chargers - BLUECHARGERS
All-Time Chiefs - REDCHIEFS
All-Time Colts - WHITECOLTS
All-Time Cowboys - BLUECOWBOYS
All-Time Dolphins - AQUAFINS
All-Time Eagles - GREENEAGLES
All-Time Falcons - BLACKFALCONS
All-Time Giants - BIGGIANTS
All-Time Jaguars - JAGSROAR
All-Time Jets - GREENJETS
All-Time Lions - SILVERLIONS
All-Time Packers - YELLOWPACK
All-Time Panthers - BIGCATS
All-Time Panthers - BIGCATS
All-Time Patriots - REDPATS
All-Time Raiders - SILVERRAID
All-Time Raiders - SILVERRAID
All-Time Rams G- OLDRAMS
All-Time Ravens - DARKBIRD
All-Time Redskins - REDINDIANS
All-Time Saints - MARCHINGIN
All-Time Seahawks - HIGHBIRDS
All-Time Steelers - BLACKSTEEL
All-Time Titans - TOWEROVER
All-Time Vikings - CONQUER
1957 49ers - GOLDRUSH
1957 Lions - LIONPOWER
1958 Colts - STABLES
1958 Giants - JOLLYGREEN
1960 Eagles - GREENWINGS
1962 Oilers - THEREWASAMAN
1962 Texans - GETEM
1963 Bears - OUTDOORS
1965 Browns - LITTLEPEOPLE
1966 Chiefs - MEGIVEYOU
1966 Cowboys - WHOSHOTJR
1966 Packers - CHAMPS
1967 Cowboys - TUNDRA
1967 Packers - SNOWPLOW
1967 Raiders - GRAYANDBLACK
1967 Rams - BLITZER
1968 Colts - SHOCKER
1968 Jets - TVTIMEOUT
1968 Raiders - HEIDI
1969 Chiefs - NOFLUKE
1969 Vikings - ALLFLUKE
1970 Cowboys - RIDEON
1970 Jets - DAMNYANKEES
1970 Lions - COURAGE
1970 Saints - MARCHON
1970 Vikings - PEOPLEEATER
1970 Browns - MNF
1971 Chiefs - OVERTIME
1971 Cowboays - STARS
1971 Dolphins - LONGESTGAME
1972 Colts - AIRSHOW
1972 Dolphins - PERFECT
1972 Jets - AIRTIME
1972 Raiders - SOUR
1972 Redskins - REDWITHENVY
1972 Steelers - LUCKY
1973 Bengals - JUNGLECATS
1973 Bills - ORANGEJUICE
1973 Dolphins - 83TO55
1973 Vikings - LONGLIVE
1974 Dolphins - DEFENDERS
1974 Raiders - COURAGE
1974 Steelers - STEELCURTAIN
1974 Vikings - RIDEON
1975 Cardinals - BASEBALLTEAM
1975 Cowboys - HAILMARY
1975 Raiders - ALLABOUTMADDEN
1975 Rams - ANGELCITY
1975 Steelers - MIRACLELEAP
1975 Vikings - PURPLE
1976 Patriots - PATGAMES
1976 Raiders - MADTEAM
1976 Vikings - POWEROFPURPLE
1977 Bears - ITSCOLDINHERE
1977 Broncos - ONEMILEHIGH
1977 Colts - GHOSTTOTHEPOST
1977 Cowboys - USATEAM
1977 Cowboys - RECORDNIGHT
1977 Dolphins - CANNEDTUNA
1977 Raiders - THEGHOST
1978 Chargers - ROLLER
1978 Oilers - EARL
1978 Raiders - HOLY
1978 Steelers - DYNASTY
1979 Buccanneers - PIRATES
1979 Cowboys - COMEBACK
1979 Rams - RAMITDOWN
1979 Redskins - AHEADATTHEHALF
1979 Steelers - BLACKISCOOL
1980 Eagles - GREENBOYS
1980 Falcons - UPUPUP
1980 lions - LIONHEART
1980 Oilers - DIRTYRICH
1980 Raiders - RAIDACROSSBAY
1981 49ers - THECATCH
1981 Bengals - TIGERS
1981 Chargers - IRONMAN
1981 Cowboys - NOCHANCE
1981 Dolphins - BLOCKEDKICK
1982 Dolphins - BEFORETHEMAN
1982 Jets - JETSJETSJETS
1982 Redskins - DCSBEST
1983 Raiders - HOMESICK
1983 Redskins - NOMATTERWHO
1984 49ers - THEMANSLAYER
1984 Dolphins - DANTHEMAN
1984 Rams - INTHEHILLS
1984 Seahakws - RAINGOAWAY
1985 Bears - UPSET
1985 Cowboys - OPENDOME
1985 Dolphins - GIANTSLAYER
1985 Falcons - FLYAWAY
1985 Jets - AIRLINER
1985 Patriots - BLOWOUT
1985 Raiders - AWAYFROMHOMEON
1986 Broncos - THEDRIVE
1986 Browns - NONSTOP
1986 Giants - PEAS
1987 Broncos - HITTER
1987 Browns - FUMBLERUSKI
1987 Redskins - REDMAN
1987 Saints - MANOMAN
1988 49ers - BENGALKILLER
1988 Bears - NEVERSLEEP
1988 Bengals - NOHOPE
1988 Oilers - MOONBALL
1989 49ers - GARNETANDGOLD
1989 Broncos - CRUSHED
1990 49ers - YEARINYEAROUT
1990 Bills - WIDERIGHT
1990 Chiefs - VISIONQUEST
1990 Giants - ILOVEKICKERS
1990 Raiders - ONEEYE
1991 Bills - STILLPROUD
1991 Broncos - GIVEMEARUNGAME
1991 Falcons - NEONLIGHTS
1991 Lions - TOOMUCH
1991 Redskins - SKINME
1992 49ers - STILLYOUNG
1992 Bills - COMEBACKKID
1992 Cowboys - HOWBOUTEM
1992 Oilers - WEAKDEFENSE
1992 Packers - SACKMAN
1992 Saints - HEADBAG
1993 Bills - NOTAGAIN
1993 Cowboys - WHOISBETTER
1994 49ers - BYTHEBAY
1994 Broncos - OUCH
1994 Chargers - CHARGE
1994 Chiefs - OLEJOE
1994 Cowboys - ROPIN
1995 Chiefs - ONEMANMATTERS
1995 Colts - NEWCOMEBACK
1995 Cowboys - BLUESILVER
1995 Steelers - JUMPINTHERIVER
1996 Broncos - NOTQUITETHERE
1996 Jaguars - TAKEEMDOWN
1996 Packers - ALMOST
1996 Panthers - DEFENSE
1996 Patriots - TUNAISGOOD
1997 Broncos - OVERDUE
1997 Packers - NOPACKATTACK
1998 49ers - THECATCHTWO
1998 Broncos - 2ISNICE
1998 Falcons - GIFTBALL
1998 Packers - NOLUCK
1998 Vikings - MISSEDCHANCE
1999 Rams - NOWHEREMAN
1999 Titans - MIRACLEPLAY
1984 All-Madden team - MADDEN84
1985 All-Madden team - MAD1985
1986 All-Madden team - 86MADDEN
1987 All-Madden team - 1987MAD
1988 All-Madden team - MADDEN88
1989 All-Madden team - MAD1989
1990 All-Madden team - 90MADDEN
1991 All-Madden team - 1991MAD
1992 All-Madden team - MADDEN92
1993 All-Madden team - MAD1993
1994 All-Madden team - 94MADDEN
1995 All-Madden team - 1995MAD
1996 All-Madden team - MADDEN96
1997 All-Madden team - MAD1997
1998 All-Madden team - 98MADDEN
1999 All-Madden team - 1999MAD
Ecko team - BUYME
Madden Millenium team - MADDENMEN
Madden Super Bowl team - SUPERMADDEN
Tiburon team - INTHESUN
EA Sports team - INTHEGAME
Monsters team - SCAREME
Sugar Buzz team - SUGARPLEASE
Mummies team - KINGTUT
Marshalls team - HANDSUP