Clear Home Bay (2 parts) in Normal or higher

Clear Home Bay (2 parts) in Hard

Clear Crystal Springs in Normal or higher

Clear Crystal Springs in Hard

Clear Fault Zone in Normal or higher

Clear Fault Zone in Hard

Clear Two Tides (2 parts) in Normal or higher

Clear Skyway in Normal or higher

Clear Sky Tides in Normal or higher

Clear Sky Tides in Hard

Clear Tube of Medusa in Normal or higher

Clear Tube of Medusa in Hard

Clear Aqua Tubeway

Clear Skylands in Normal or higher

Clear Fin to Feather in Normal or higher

Clear Fin to Feather in Hard

Clear Eagle's Bay in Normal or higher

Clear Asterite's Cave (2 parts) in Normal

Clear Asterite's Cave (2 parts) in Hard

Clear Maze of Stone

Clear Four Islands in Normal or higher

Clear Four Islands in Hard

Clear Sea of Darkness in Normal or higher

Clear Sea of Darkness in Hard

Clear Vents of Medusa in Normal or higher

Clear Vents of Medusa in Hard

Clear Gateway (3 parts) in Normal or higher

Clear Gateway (3 parts) in Hard

Clear Moray Abyss (2 parts) in Normal or higher

Clear Moray Abyss (2 parts) in Hard

Clear The Eye in Normal or higher

Clear The Eye in Hard

Clear Big Water in Normal or higher

Clear Big Water in Hard

Clear Deep Ridge in Normal or higher

Clear Deep Ridge in Hard

Clear The Hungry Ones in Normal or higher

Clear The Hungry Ones in Hard

Clear Secret Cave (2 parts) in Normal or higher

Clear Secret Cave (2 parts) in Hard

Clear Lunar Bay (2 parts) in Normal or higher

Clear Lunar Bay (2 parts) in Hard

Clear Black Clouds in Normal or higher

Clear Gravitorbox in Normal or higher

Clear Gravitorbox in Hard

Clear Globe Holder (3 parts) in Normal or higher

Clear Globe Holder (3 parts) in Hard

Clear Dark Sea in Normal or higher (you can use password KYGVRSAA if you need to go back)

Clear Dark Sea in Hard (you can use password GCODJODA if you need to go back)

Clear New Machine

Clear Vortex Queen in Normal or higher

Clear Vortex Queen in Hard

Clear Home Bay revisited (2 parts) in Normal or higher

Clear Home Bay revisited (2 parts) in Hard

Clear Epilogue (2 parts) in Normal or higher

Clear Epilogue (2 parts) in Hard

Clear Fish City in Normal or higher

Clear City of Forever in Normal

Clear City of Forever in Hard

Clear the machine part "Inter" (Normal or higher)

Clear the machine part "Innuendo" (Normal or higher)

Clear the machine part "Trans" (Normal or higher)

Clear the machine part "Inside" (Normal or higher)

Make the game switch from Normal to Hard

Clear any 3D ring section without missing any ring (Normal or higher)

Clear the 3D section of Fin to Feather without getting hit (Hard)

Clear Aqua Tubeway without using pause (Normal or higher)

Clear Four Islands with the Sonar360 collected (Normal or higher)

Clear Gravitorbox without pressing the B button ( Normal or higher)

Defeat the queen without getting hit (laser or damage) in Normal or higher

Acquire all the Sonar360 of the game (1 session, level select allowed)

Clear City of Forever with cheat mode activated