Topless
Press [Down], [R2]x3, [Triangle] at the main menu, then begin an exhibition game.

Small heads
Press [R2], [Down], [L2], [L1], [Circle] at the main menu, then begin an exhibition game.

Small players
Press [Square], [R2], [Right], [L2], [L1] at the main menu, then begin an exhibition game.

Big heads
Press [Triangle]x2, [L2], [L1]x2 at the main menu, then begin an exhibition game.

Alternate clothes
Press [Circle], [L2], [Left], [R2], [Triangle] at the main menu, then begin an exhibition game.

Black/white mode
Press [Up], [R1], [L2], [R1], [R2].

Head as ball
Press [Left], [L1]x3, [R2] at the main menu, then begin an exhibition game.

70's mode
Press [L1], [R2], [L2], [Circle], [R1] at the main menu, then begin an exhibition game.

Toddlers
Press [Right], [Square], [Up]x2, [R2] at main menu, then begin an exhibition game. Players and ref will be toddlers.

Full attributes
Use all available attribute points when editing a player. Save the team that was just changed, then return to the team selection screen. Select the same team to be edited, and you will have more attribute points to assign to a player. Repeat this until all players have full attributes.