Soccer Slam - Platform: XBox

All alternate teams:
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At the title screen, press X, Y, Down(4).

Alternate El Fuego team:
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At the title screen, press X(2), Down(2), Right, Left.

Alternate Spirit team:
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At the title screen, press Y(2), Down(2), Left, Right.

Alternate Subzero team:
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At the title screen, press Y(2), Down, Right, Left, Up.

Alternate Toxic team:
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At the title screen, press Y, X, Down, Up(2).

Alternate Tsunami team:
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At the title screen, press X, Y, Down, Up, Right, Left.

Alternate Volta team:
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At the title screen, press Y, X, Down, Up, Down, Up.

All stadiums:
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At the title screen, press R(2), Right(2), Up(5), X(2).

Alpine Castle stadium:
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Win the game in quest mode with the Subzero team to unlock the Alpine Castle 
stadium.

Jungle Canopy stadium:
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At the title screen, press L, R, Up, Down, Left, Right, X, Y. Alternately, win 
the game in quest mode with the El Fuego team to unlock the Jungle Canopy 
stadium.