Complete each achievement to get the allotted gamerscore.
Unlockable How to Unlock Big Blue Message (50) Find the glyph in Island Zone that tells you to find Big Blue. Death Sonar (10) Acquire the Death Sonar. Ecco the Hero (10) Rescue the dolphin family in The Lagoon level. Game Win 2x (10) Complete the game 2 times. Game Win 3 (20) Complete the game without dying more than 3 times. Life Saver (10) Reach Ridge Water without dying. Octopus Avoider (15) Pass the Undercaves without being hit by an Octopus. Shark Killer (10) Kill 10 Sharks in a row. Sonar Free (35) Reach the Dark Water Level without the Death Sonar. Sonar User (10) Kill 30 enemies with the Death Sonar. Songs in the Sea (15) Find the hidden glyph in Origin Beach ("Never have we heard..."). Undercaves Survival (5) Pass the Undercaves without dying once.
Contributed By: Guard Master.
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