There are currently no working cheat codes for the Ecco The Dolphin video game on the Xbox 360. If you know of one we've missed please let us know and we will add it to this page.
The following achievements can be unlocked in Ecco The Dolphin on the Xbox 360 video game console. Achievements are unlocked by performing indicated tasks from the list below. Once you have completed the task you will unlock the achievement and any gamerscore points associated with it.
Big Blue Message (50 points)
How to unlock: Find the glyph in Island Zone that tells you to find Big Blue.
Death Sonar (10 points)
How to unlock: Acquire the Death Sonar.
Ecco the Hero (10 points)
How to unlock: Rescue the dolphin family in The Lagoon level.
Game Win 2x (10 points)
How to unlock: Complete the game 2 times.
Game Win 3 (20 points)
How to unlock: Complete the game without dying more than 3 times.
Life Saver (10 points)
How to unlock: Reach Ridge Water without dying.
Octopus Avoider (15 points)
How to unlock: Pass the Undercaves without being hit by an Octopus.
Shark Killer (10 points)
How to unlock: Kill 10 Sharks in a row.
Sonar Free (35 points)
How to unlock: Reach the Dark Water Level without the Death Sonar.
Sonar User (10 points)
How to unlock: Kill 30 enemies with the Death Sonar.
Songs in the Sea (15 points)
How to unlock: Find the hidden glyph in Origin Beach ("Never have we heard...").
Undercaves Survival (5 points)
How to unlock: Pass the Undercaves without dying once.