Got your first puzzle piece.

Join the crew

Acquire a blood gem that imbues hunter weapons with special strength.

Defeat the beast that once was Father Gascoigne.

Complete all levels of the game.

Clear 100 levels or more.

Clear any level on hard difficulty and get at least 100 combo without any modifiers.

Clear any level with faster song speed modifier.

Clear any level on normal difficulty and get at least 50 combo without any modifiers.

Finish the tutorial.

Or is it eggception?

Listen to all of the numbered tapes.