Unlock the following option in the "Extra" menu by performing the corresponding tasks:
OPTION - HOW TO UNLOCK Art Gallery - Complete the game. This option allows all unlocked game art to be viewed. Bestiary - Complete the game. This option displays information all each type of monster that you have defeated. Music Player - Complete the game. This option allows all songs from the game to be replayed. Time Chamber - Complete the Labyrinth of Time. This options allows you to replay any completed floor from the Labyrinth of Time.
Unlock the following entries in the Art Gallery menu by performing the corresponding tasks:
ENTRY - HOW TO UNLOCK Art Gallery 01-56 - Have all monsters in the Bestiary. Art Gallery 57 - Complete floors 1-10 in Time Chamber with unlock blue seal. Art Gallery 58 - Complete floors 11-20 in Time Chamber with unlock blue seal. Art Gallery 59 - Complete floors 21-30 in Time Chamber with unlock blue seal. Art Gallery 60-67 - Complete the game. Art Gallery 68-75 - Complete the game. Art Gallery 76 - Complete the game twice, including 30 floors in Time Chamber and all of monsters in Bestiary.