Defeat the Gloom Crusher.
Complete the level "On a Rail".
♫ Ocean man, take me by the hand... ♫
Become the captain of the train in the level "Choo Choo".
Defeat the Gloom Pillar.
Defeat the Gloom Launcher.
Defeat the Gloom Summoner.
Defeat the Gloom Watcher.
Collect 100 fish.
Collect 500 fish.
Collect 1000 fish.
Complete the level "Box of Fun".
Complete the level "Extreme Boost Arrows".
Take a detour in the level "Heads Up".
Collect every Smiley.
Get a 100% save file.
Complete every level.
Manually restart a level 100 times.
Destroy 10 Gloom.
Die 1000 times.