Madden NFL '98
   By:  
   Release date: 

   The codes.
            
   Code
 LEECH           Better defensive back.
 GLOVES          Better catching.
 BIGFOOT         Better kicking.
 JACKHAMMER      Better stiff arm.

   Special Teams
 ORRS HEROES     EA Sports team.
 LOIN CLOTH      Tiburon(EA) team.
 LEADERS         All-time leaders.
 COACH           All-time, all-Madden team.
 PAC ATTACK      All 60s team.
 STEEL CURTAIN   All 70s team.
 GOLD RUSH       All 80s team.
 ALOHA           NFC.
 LUAU            AFC.

   Extra Stadiums
 JETSONS         Astrodome(old Oilers).
 DAWGPOUND       Cleveland Browns stadium.
 SNAKE           old Oakland stadium.
 DANDAMAN        old Miami Dolphins stadium.
 OLDDC           RFK Stadium(old Redskins).
 SHARKSFIN       Tiburon Sports Complex.
 GHOST TOWN      Wild West(late 1800s Texas).