FIFA International Soccer

Super Goalie
At the Game Options screen, hit A, A, A, A, A, Y, Y, Y, Y, and 
Y.  A listing for Super Goalie appears at the bottom of the 
options.

Dream Team
At the Game Options screen, hit A, A, B, B, Y, Y, X, and X.  A
new Dream Team is listed as the last option.

Super Skills
At the Game Options screen, hit B, A, B, B, B, B, B, B, B, 
and B.  You'll now have Super Kicks.  Then hit L, L, L, L, L, R, 
and L.  You'll now have Super Defence.  Then hit R, R, R, R, 
R, L, and R.  You'll now have Super Offense.  Scroll down the 
list of options and you'll see all three super skills listed at the 
bottom.  Be sure to turn them on for your team.