Level Select Codes:
Enter these codes during gameplay. Simply hold down L1+L2 and then enter the following key combinations to be transported to the respective level. 

PLANET EXPRESS:
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Up, Up, Select. 

SEWERS: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Up, Right, Select. 

SUBWAY: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Up, Down, Select. 

OLD NEW YORK: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Up, Left, Select. 

RED LIGHT DISTRICT: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Up, Triangle, Select. 

UPTOWN: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Up, Circle, Select. 

NEW NEW YORK: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Up, X, Select. 

CANYON: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Right, Up, Select. 

MINE: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Right, Right, Select. 

MINE TUNNEL: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Right, Down, Select. 

JUNKYARD 1: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Right, Left, Select. 

JUNKYARD 2: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Right, Triangle, Select. 

JUNKYARD 3: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Right, Circle, Select. 

MARKET SQUARE: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Down, Up, Select. 

LEFT WING: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Down, Right, Select. 

RIGHT WING: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Down, Down, Select. 

TEMPLE COURTYARD: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Down, Left, Select. 

INNER TEMPLE: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Down, Triangle, Select. 

BOGAD'S SWAMP: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Left, Up, Select. 

MOM'S HQ BENDER: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Triangle, Up, Select. 

Mom's HQ LEELA: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Triangle, Right, Select. 

Mom's HQ FRY: 
Down, Square, Triangle, Down, Square, Triangle, Square, Triangle, Triangle, Down, Select. 


Miscellaneous Codes:
During gameplay press and keep held L1+L2 then enter the following combinations for these different effects. The screen should flash blue if it has worked. 

Infinite Health: 
Down, Square, Triangle, Down, Square, Triangle, Circle, X, R2, Up, Select 

Infinite Ammo: 
Down, Square, Triangle, Down, Square, Triangle, Circle, X, R2, Right, Select 

Infinite Lives: 
Down, Square, Triangle, Down, Square, Triangle, Circle, X, R2, Down, Select 

Infinite Charge: 
Down, Square, Triangle, Down, Square, Triangle, Circle, X, R2, Left, Select 

Invincibility: 
Down, Square, Triangle, Down, Square, Triangle, Circle, X, R2, Triangle, Select. 

Unlock All Extras: 
Down, Square, Triangle, Down, Square, Triangle, Circle, X, R2, Circle, Select.