Enter this code while in the warp room:
Triangle, Circle, Left(2), Square + R1, Triangle + R2, Start, Select, Circle, X(2). If done correctly you should be able to access any level.

These codes are enabled by pausing gameplay and entering them in. If the code has been entered correctly you will hear a confirmation sound.

Unlock Cheat Screen:
Press X, X, X, X, O, R1, R2, L2, Up, Left, Right, Down, Square.

Unlock Tawna as a Playable Character:
At the 'Player Select' screen hold L1 and R1.

Unlock Infinite Health:
Press Up, Up, Down, Circle, Square, L1, R2.

Unlock Unlimited Health:
Press Up, Up, Down, Circle, Square, L1, R1.

Unlock Infinite Points in Mallet Mash:
Press Up, Down, Square, Triangle.

Max Points (999) in Advent Mode:
Press Up, Up, Down, Up, Left, Left, Up, Up, Right, Circle, Square.

Unlock Spro Year Of The Dragons Demo:
This secret playable demo is unlocked at the 'Title' screen by holding R1 + L1 + Square buttons and then pressing 'Start'.

Unlock Infinite Health:
During gameplay pause the game and press Up, Up, Down, Circle, Square, L1, R2. If you've entered the code correctly you will hear a confirmation sound.

Unlockable Levels
Complete the following tasks to unlock the corresponding effect

Unlock Splash Dash:
Defeat the final boss and collect 22 Gold Relics and then go to the 5th floor

Unlock Keg Kaboom:
Collect 25 Gems in the game and then go to the 5th floor

Unlock Swamp Fox:
Collect 24 Gems

Unlock Mallet Mash:
Collect 23 Gold Relics

Unlock Dante's Dash:
Collect 27 Trophies or complete ALL the levels in the game

Unlock Gold Relic Challenges:
Beat the Big Bad Fox level

Unlock Platinum Relic Challenges:
Beat the Mallet Mash level


Challenge Difficulty Level:
If you fail 10+ times on a challenge the difficulty setting is automatically lowered to make the challenge easier.

Unlock Secret Mini-Game:
In Adventure mode play 2-player and select a good and a evil character to team up. When the game is completed you will play a secret mini-game where the 2 characters have to fight.