Tales of the Abyss Cheats - 3DS
Game Record - Available at the title screen after beating the game.
Grade Shop - Save a clear file after beating the game, and you will be able to start your new game+ file with the grade shop with your cleared file.
Very Hard Mode - Beat the game once.
The Abyss Replica Facility - Beat the game once.
Sound Test - Available at the title screen after beating the game.
Unknown Mode - Beat the game once.
Secret Shop (Brillante) - Complete the Collector's Book.