World Cup '98

At the main screen, choose Team Management, then click on Customize. Click on the name of a player and type these codes. Press enter after inputting, then click again and type another code:

Zico 		Enable 1982 Classic Match 
Hurst		Enable '82,'74,'70,'66 Classic Match 
Kenny		Flaming Ball 
Gabo		Big heads 
Kyle		Skeleton players 
Cartman		Take a dive 
Gonzo		Hot potato 
Mr Hat		Crazy Ball 
Powder		Silly Moves 
Neila		Alien Mode

Press 'back' to exit without actually changing the players' names. Now press Scroll Lock to open the cheat menu.