Achievements:ACHIEVEMENT – HOW TO UNLOCKUndercaves Survival (5 points) – Pass the Undercaves without dying.Death Sonar (10 points) – Get the Death Sonar.Ecco the Hero (10 points) – Rescue the dolphin family in The Lagoon level.Game Win 2x (10 points) – Beat the game 2 times.Life Saver (10 points) – Reach Ridge Water without dying.Shark Killer (10 points) – Kill 10 Sharks in a row.Sonar User (10 points) – Kill 30 enemies with the Death Sonar.Octopus Avoider (15 points) – Pass the Undercaves without being hit by an Octopus.Songs in the Sea (15 points) – Find the hidden glyph in Origin Beach.Game Win 3 (20 points) – Beat the game without dying more than 3 times.Sonar Free (35 points) – Reach the Dark Water Level without the Death Sonar.Big Blue Message (50 points) – Find the glyph in Island Zone that tells you to find Big Blue.