The Legend of Korra Cheats - PlayStation 3

Unlock Costumes
Go to Korra's Room and enter the following codes while highlighting said outfit:

[Up], [Up], [Down], [Down], [Square] - Unlock Avatar Spirit costume.
[Up], [Down], [Up], [Triangle], [Square], [Triangle] - Unlock Chi Blocker Costume.

Unlock Talismans
In the shop menu enter the following code:

[Right], [Right], [Left], [Left], [Square] - Unlock Shadow Fist Talisman.

Unlock Trophies
Be the Leaf (Silver) - Dodged 100 times.
Biz-Bender (Gold) - Collected every treasure item.
Buh-bye! (Silver) - Performed 100 Finishing Moves.
Combo Master (Silver) - Obtained all combos.
Down and Out (Bronze) - Completed Chapter 1.
Escape from the City (Bronze) - Completed Chapter 2.
Extreme Avatar (Gold) - Completed the game on Extreme difficulty.
Face-Off (Silver) - Won a Face-Off in a Pro-bending match.
Full-Baked Avatar (Silver) - Maxed out all bending types.
Go in Peace (Silver) - Spirit-bended 200 dark spirits.
Good Girl! (Silver) - Completed a Naga Running sequence without hitting anything.
Hop Hop Hoppity (Silver) - Jumped 100 times.
Jill of all Trades (Silver) - Completed all tutorials.
Knockout!! (Silver) - Got 10 knock-outs in Pro-bending matches.
Kung Fu Master (Silver) - Went into Clash Mode 10 times.
More than Hot Leaf Juice (Bronze) - Bought your first item at the shop.
My Cabbages!! (Silver) - Collected 10 cabbages.
Not a Booster Rocket (Silver) - Went into Avatar State 10 times.
Nowhere Else to Go (Bronze) - Completed Chapter 5.
Ooooh, Shiny! (Bronze) - Entered the Collection Screen for the first time after finding a treasure.
Ready for Battle (Bronze) - Equipped your first item on the Korra's Room.
Right Back At Ya! (Silver) - Countered 100 times.
Sure, Come On In (Bronze) - Completed Chapter 6.
Talisman Collector (Gold) - Purchased 12 talismans.
That Escalated Quickly (Bronze) - Completed Chapter 7.
The Aftermath (Bronze) - Completed Chapter 8.
The Fire Ferrets Strike Again! (Gold) - Completed the highest difficulty of Pro-bending.
The Power of Water (Bronze) - Completed Chapter 3.
To the South! (Bronze) - Completed Chapter 4.
Video Game Bender (Platinum) - Got all other trophies.
Zhu Li! Do the Thing! (Bronze) - Used your first equipped item.

Unlock Extreme Difficulty
Complete the game on Normal Difficulty to unlock Extreme Difficulty.