FIFA: Road To The World Cup '98 cheats and cheat codes for Nintendo 64

Select the indicated teams and enter the following case-sensitive 
codes as a name at the "Player Edit" screen.

Developers team: Select England as a team, then enter "BURYFC"
Flip upside-down: Select Australia as a team, then enter "NWODEDISPU"
Ghost players: Select Slovakia as a team, then enter "LASKO"
Hot potato mode: Select Ireland or R Ireland as a team, then enter "SPUD"
Invisible players: Select SheffieldW as a team, then enter "WAYNE"
Invisible walls: Select Wales as a team, then enter "WARREN"
Monochrome mode: Select Canada as a team, then enter "MARC"
No stadium: Select any team, then enter "CATCH22"
Partial upside-down mode: Select Vancouver as a team, then enter "TED"
Tiny players: Select Vancouver as a team, then enter "KERRY"
Unlimited attribute points: Select Vancouver as a team, then enter "DAVE"
World Cup mode round select: Select Japan as a team, then enter "YUJI"
View victory movie: Select Japan as a team, the enter "NORIE"
Then at the round select screen, press Z + C-Left + C-Up. 

Cup Classics mode
Win 1st place on the World Cup tournament on any difficulty setting
by using any team.

Big players
Choose "Season/League" mode and select Brazil as a team. After, pause 
the gameplay, highlight the "Music Volume" selection and hit 
C-Up + C-Down + Start + B.