Various cheats
     At  the  main  menu,  hold  L1  +  R1 and press Down, Circle, Up,
Square,  Down(2),  Up(2).  Release  L1  + R1 and a "Cheat" option will
appear  at the main menu. Select the "Cheat" option, then enter one of
the following case-sensitive codes to activate the corresponding cheat
function. 
Note: The codes have no effect when playing as King Kong.

Cheat code:   Effect:  
KKst0ry       Level select (Note: This code includes the number "0")
GrosBras      One hit kills
KK 999 mun    Full ammunition
lance 1nf     Infinite spears
KKtigun       Get Revolver
8wonder       God Mode
KKmuseum      Bonus Complete
KKcapone      Have Machine Gun
KKsn1per      Have Sniper Rifle
KKsh0tgun     Shotgun (written with a Zero, not the letter "O")


Unlockables:

Artwork gallery:
     Successfully complete the game.

Weta Artworks: Environments Part 1:
     Get a 5% game completion.

Weta Artworks: Environments Part 2:
     Get  a 25% game completion and obtain the correct online code for
your particular game at www.kingkonggame.com.

Weta Artworks: Environments Part 3:
     Have at least 50,000 points and a 100% game completion.

Weta Artworks: Creatures:
     Get a 50% game completion.

Weta Artworks: Kong Part 1:
     Get a 75% game completion.

Weta Artworks: Kong Part 2:
     Have at least 20,000 points and a 100% game completion.

Weta Artworks: Kong Part 3:
     Have at least 100,000 points and a 100% game completion.

Weta Artworks: Kong Part 4:
     Have at least 150,000 points and a 100% game completion.

Old movie filter option:
     Get a 15% game completion.

High contrast filter option:
     Get a 100% game completion.

Horizontal flip option:
     Get a 100% game completion and obtain the correct online code for
your particular game at www.kingkonggame.com.

Peter Jackson Interview:
     Have at least 75,000 points and a 100% game completion.

Philippa Boyens interview:
     Have  at least 200,000 points, a 100% game completion, and obtain
the    correct    online    code   for   your   particular   game   at
www.kingkonggame.com.

Save Kong alternate ending sequence:
     Have at least 250,000 points and a 100% game completion.