There are 46 Trophies that can be collected.

BRONZE

My First Puzzle!
Solve a puzzle!

Showboat
Perform a gesture

It
Win a Toss Up

Dress For Success
Change Clothes in the Contestant Creator

We Have A Winner!
Win your first game

Taking It Easy
Win a game on Easy difficulty

Taking on the World
Finish an online game

We Still Have A Winner!
Win five games

A $2K Round!
Win $2,000 in one round

We Really Have A Winner!
Win 10 games

What Should I Pick?
Look at the Used Letter Board

Some Wheel Competition
Win an online game

I
Solve the puzzle without guessing letters on your turn

I
Spin the wheel five times in a row

A $5K Round!
Win $5,000 in one round

The Minigame Champ!
Become a Minigame Champ

Get Out Of There!
Lose a prize wedge or tag by Bankrupt

I Like Minigames
Play every minigame

Guess Again
Guess five letters in a row

I
Buy every vowel during a puzzle

Not My Day
Land on Bankrupt twice in a row

A $10K Round!
Win $10,000 in one round

A Small Fortune!
Win $100,000 total

Everything In Its Right Place
Own all props for one set

Toss Up Pro!
Win all Toss Ups in a single game

Fortune Flipped!
Win $10,000 from a Mystery Wedge

Wheel Watcher
Solve 10 Puzzles

Ultimate Minigame Champ
Win every minigame

A Talented Medium
Win a game on Medium Difficulty

A New Car!
Win a Vehicle!

A $25K Round!
Win $25,000 in one round

A Growing Fortune!
Win $250,000 total

SILVER

Wheel Pro!
Win 25 games

Jackpot!
Win a Jackpot

True Bonus
Win a bonus round without guessing any letters correctly

Fashionista
Acquire all contestant clothes and logos

A $35K Round!
Win $35,000 in one round

A Hard Act to Follow
Win a game on Hard Difficulty

A Massive Fortune!
Win $500,000 total

On Location!
Unlock all sets and their props

Wheel Master!
Win 50 Games

Wheels on the Wheel
Win a car by getting both

GOLD

What A Fortune!
Win $1M total

Instant Millionaire!
Win the $1M Prize

I
Solve a puzzle with only one letter revealed

PLATINUM

Wheel Fanatic
Obtain all trophies

http://www.ps3trophies.org/game/wheel-of-fortune-2012/trophies/