FIFA: Road To The World Cup '98 

Ghost players 
Select Slovakia as a team:
then enter "LASKO" as a case-sensitive name on the "Player Edit" screen.

Infinite player attribute points 
Select Vancouver as a team:
then enter "DAVE" as a case-sensitive name on the "Player Edit" screen.

Creations programmers team 
Select England as a team:
then enter "BURYFC" a case-sensitive name on the "Player Edit" screen.
The Creations team consists of the game's development team.

Invisible players 
Select SheffieldW as a team:
then enter "WAYNE" as a case-sensitive name on the "Player Edit" screen.

No stadium 
Select any team:
then enter "CATCH22" as a case-sensitive name on the "Player Edit" screen.
Note: Enabling this code will increase the game's frame rate.

View victory sequences 
Select Japan as a team:
the enter "NORIE" as a case-sensitive name on the "Player Edit" screen.
Then at the round select screen, press Z + C-Left + C-Up.

Full upside down screen 
Select Australia as a team:
then enter "NWODEDISPU" as a case-sensitive name on the "Player Edit" screen.

Partial upside down mode 
Select Vancouver as a team:
then enter "TED" as a case-sensitive name on the "Player Edit" screen.
Then, everything except the screen text will be upside down.

Black and white mode 
Select Canada as a team:
then enter "MARC" as a case-sensitive name on the "Player Edit" screen.

Hot potato mode 
Select Ireland or R Ireland as a team:
then enter "SPUD" as a case-sensitive name on the "Player Edit" screen.
Note: In this mode,
there is a time limit in which the ball must be passed to another player to before the entire team falls down.

Invisible walls 
Select Wales as a team:
then enter "WARREN" as a case-sensitive name on the "Player Edit" screen.

World Cup mode round select 
Select Japan as a team:
then enter "YUJI" as a case-sensitive name on the "Player Edit" screen.

Small players 
Select Vancouver as a team:
then enter "KERRY" as a case-sensitive name on the "Player Edit" screen.

Giant players 
Select "Season/League" mode and choose Brazil as a team:
Then, pause the game, highlight the "Music Volume" option and press C-Up + C-Down + Start + B.
If you entered the code correctly, you will hear a sound.