Peter Jackson's King Kong Cheats & Tips

Pyromaniac - As Jack light a spear on fire and use it to scare enemy off
Protector - As Jack, protect your friends from harm
Foodchain Master - As Jack, use baits to escape enemies
King of Demolition - As Kong, destroy the village of the Natives
V-Rex Annihilator - As Kong, kill a few V-Rexes
King of V-Rexes - As Kong, kill a lot of V-Rexes
King of the jungle - As Kong, kill as many enemies as you can
King of Skull Island - As Kong, you must kill the Giant Snakes
Completed Game - Finish all levels and beat the game

With a rifle, the damage is more powerful when it is shot closer up.

They enflict more damage if they are on fire when used.

Get artwork gallery - Beat the game
High Contrast Filter Option - get a 100% game completion
Old Movie Filter Opition - get a 15% game completion
Weta Artworks: Enviroment Part 1 - get a 5% game completion
Weta Artworks: Creatures - get a 50% game completion
Weta Artworks: Kong Part 1 - get a 75% game completion
Weta Artworks: Kong Part 4 - have at leas 150,000 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 2 - have at least 20,000 points and a 100% game completion
Alternate Ending - have at least 250,000 and a 100% game completion
Weta Artworks: Enviroment Part 3 - have at least 50,000 points and a 100% game completion
Peter Jackson Interview - have at least 75,000 points and a 100% game completion
Game Credits - Unlocked after you start a game and watch the opening trailer at least once

Go to the Main Menu where it says Play, Options, and Extras. Hold LT, RT, LB, and RB and input DOWN, UP, YELLOW, BLUE, DOWN, DOWN, YELLOW, YELLOW. A new option should appear under Extras labeled Cheat. If you select Cheat, a text window will appear and you can enter these codes:

Invincibility - 8wonder
One-bullet kills(not spears) - GrosBras
999 bullets - KK 999 mun
Thompson(no reload needed) - KKcapone
All extras unlocked - KKmuseum
Sniper Rifle(no reload needed) - KKsn1per
Level select - KKst0ry
Infinite spears(press reload for spear) - lance 1nf