Ecco the Dolphin: Defender of the Future Cheats

Level select

Pick the ''New Game'' at the VMU menu, then submit the name GYU but do not select "End". Submit the name GYU for that game again, but do not select "END". Now submit any letter three times as a name and push X. If done correctly, you will be returned to the VMU menu. You can now create a new game as usual or resume a saved game. The next time you save the game, all levels will be unlocked. Additionally, a choice for the soccer mini-game will appear at the bottom of the level selection screen.