International Superstar Soccer 64
Big Heads
At the title screen, press C-Up, C-Up, C-Down, C-Down, C-Left, C-Right, C-Left, C-Right, B, A, then hold Z and press Start.

Bonus Teams
Go to the simulation mode where you are placed in a situation where your game has been started and you have to win or keep the lead given. Select difficulty 5 in the options menu. Beat all 16 and you will get new teams (which much be saved to the controller pak). A few of the teams are Brazil 94', Argentina 82', Germany 60', and Italy 90'.
Note: All of these teams have the actual rosters, strategies, and formations used by these teams in the specific year. Have Fun!

Extra Teams
At the title screen, press Up, L, Up, L, Down, L, Down, L, Left, R, Right, R, Left, R, Right, R, B, A, then hold Z and press Start.

Note: This may prevent you from saving your game in the American version. (It works fine in J-League Perfect Striker.)

Extra Time in Scenarios
In the Scenario mode, when you get a cornerkick, free kick, penalty kick, or when your goalie has the ball, wait a long time before kicking the ball. You will get lots of stoppage time.

NOTE: Do this only after your normal time has run out.
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