The following are known Game Genie Codes for FIFA International Soccer on SEGA Genesis.

• RZZB-66XE
  Master Code – Must Be Entered
• GBVA-DJZY
  Each goal worth 2 for both Players
• GBVA-DNZY
  Each goal worth 3 for both Players
• GBVA-DYZY
  Each goal worth 5 for both Players
• GBVA-DAZY
  Each goal worth 8 for both Players
• PYNA-DEYJ
  Player 1 starts each game with 2 more points
• PYNA-DNYJ
  Player 1 starts each game with 6 more points
• PYNA-DYYJ
  Player 1 starts each game with 10 more points
• PYNA-DAYJ
  Player 1 starts each game with 16 more points