# Additional locations

At the map screen, hold R3 and press Circle(3).
# Additional cards

At the deck building screen, hold R3 and press L1(3). You will get four of each card.
# Play as Chuck

At the deck building screen, hold R3 and press L1(3) to unlock Chuck in arcade mode.
# Win duel

Hold R3 and press L1, R1, L1 to give player one the win. Hold R3 and press R1, L1, R1 to give player two the win.
# Cards do not run out in duel

Hold R3 and press Square(3).
# Add shield

Hold R3 and press X, Square, Triangle to add one shield for player one. Hold R3 and press X, Circle, Triangle to add one shield for player two.
# Remove shield

Hold R3 and press Triangle, Square, X to remove one of player one's shields. Hold R3 and press Triangle, Circle, X to remove one of player two's shields.
# Caitlan

Successfully complete Rusty's story to unlock Caitlan.
# Earl

Successfully complete Trey's story to unlock Earl.
# Jalen

Successfully complete Rebecca's story to unlock Jalen.
# Knight

Successfully complete everyone's story to unlock Knight.
# Marcus

Successfully complete Flynn's story to unlock Marcus.
# Monks

Defeat the Monks the first time to unlock them.
# Sera

Successfully complete Luc's story to unlock Sera.
# Widow

Defeat Widow at the end of the tournament to unlock her.