Codes cheats for Ecco the Dolphin - Defender of the Future

Ecco the Dolphin - Defender of the Future - Game cheats, tips and tricks for Playstation 1

Level select:
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Hold L1 + L2 + R1 + R2 and press Up(2), Down(2),
Triangle, X(2) at the title screen.

Unlimited air:
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Hold L1 + L2 + R1 + R2 and press Square(2), Triangle,
X, Circle at the title screen.

Unlimited health:
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Hold L1 + L2 + R1 + R2 and press Triangle, X(2), Up(2),
Down at the title screen.

All Vitalits:
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Hold L1 + L2 + R1 + R2 and press X(2), Circle(2), X,
Circle, Up, Down(2) at the title screen.

Swim with a group:
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Hold L1 + L2 + R1 + R2 and press X, Up, X, Down, X,
Triangle at the title screen.

Dolphin Soccer:
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Go to the Powers Of Levitation level and find your way
to the room where the clan General (the dolphin that
has the inspection) is located. Swim through the side
of the wall that moves like Jello. On the floor near
one of the orange lights is a soccer ball. Get it,
then go to the level selection screen. An option for
the Dolphin Soccer mini-game will appear at the bottom
of the list.

Bonus levels:
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Successfully complete the game under the hard difficulty
setting. The Up & Down level will shimmer, and you can
now access both 2D bonus levels.