Pass the Undercaves without dying once.
Complete the game without dying more than 3 times.
Reach the Dark Water Level without the Death Sonar.
Find the glyph in Island Zone that tells you to find Big Blue.
Acquire the Death Sonar.
Rescue the dolphin family in The Lagoon level.
Complete the game 2 times.
Reach Ridge Water without dying.
Kill 10 Sharks in a row.
Kill 30 enemies with the Death Sonar.
Pass the Undercaves without being hit by an Octopus.
Find the hidden glyph in Origin Beach ("Never have we heard...").
