Enter these cheats in the options menu,

• RED ZONE: Increased defense
• LINE BUSTER: Break the line easier
• ENDURANCE: More endurance
• EVEN STEVEN: Even matched teams
• BIGBOYS: Big players
• TINY: Huge players
• MUNCHKINS: Small players
• PENCILS: Skinny players
• BIG PIG: Fat players
• BASKETBALL: Tall players
• PANCAKE: 2D players
• REDZONE: Players have programmer’s name
• 989 SPORTS: Players named after 989
• OVAL OFFICE: Players named after Presidents
• ALL BOBO: Player names are Bobo
• CREDITS: View credits
• POP WARNER: Floating players
• SUPER FOOT: Kick longer field goals
• 5280 CLUB: Mile High stadium
• GRUDGE MATCH: GameDay 2003 stadium