Your final end-of-game evaluation on what you did during the game will determine what number of unlockables you get.

Unlockables

Art Gallery Beat the game once

Invincibility Collect 100 Stray Beads
Invincibility Find all 100 Stray Beads.

Jukebox Beat the game

Kamic Returner Complete the game once.
Kamic Transfomer 1 Complete the game once.
Kamic Transfomer 2 Complete the game once.
Kamic Transfomer 3 S-Rating for "Deaths"
Kamic Transfomer 4 S-Rating for "Enemies Defeated"
Kamic Transfomer 5 S-Rating for "Money Gained"
Kamic Transfomer 6 S-Rating for "Demon Fangs Found"
Kamic Transfomer 7 S-Rating for "Praise Earned"
Kamic Transfomer 8 S-Rating for "Praise Earned"
Kamic Transfomer 9 S-Rating for "Praise Earned"

New Game+ Beat the Game one time

Secret Theatre More than 31 hours of play time
Stray Bead Complete the game once.