Aşağıdaki kodlar oyun giriş ekranında girilecektir.
Stadyumlar:
EA STADIUMS : EA
DOGPOUND99 : Cleveland
NOTAFISH : Old Miami
THEHOGS : RFK
SOMBRERO : Old Tampa Bay
FOR RENT : Astrodome
OURHOUSE : Tiburon
STICKEM : Oakland
Takımlar:
WELCOMEBACK : ’99 Cleveland Browns
BESTNFC : NFC All Stars
AFCBEST : AFC All Stars
BOOM : Madden ’98
IMTHEMAN : Stats Leaders
PEACELOVE : All 60’s
BELLBOTTOMS : All 70’s
HEREANDNOW : All 90’s
TURKEYLEG : Madden All Time Greats
THROWBACK : 75th Anniversary
GEARGUYS : NFL Equipment Team
