Here is the full list of all 46 Wheel of Fortune (2012) trophies - there are 32 bronze, 10 silver, 3 gold and 1 platinum.
Obtain all trophies
Acquire all contestant clothes and logos
Win 50 Games
Unlock all sets and their props
Win 25 games
Own all props for one set
Solve a puzzle with only one letter revealed
Win 10 games
Win $35,000 in one round
Win the $1M Prize
Win $1M total
Win $500,000 total
Win $10,000 from a Mystery Wedge
Win a bonus round without guessing any letters correctly
Win five games
Finish an online game
Win an online game
Win a car by getting both ½ car tags
Win $250,000 total
Spin the wheel five times in a row
Win every minigame
Solve 10 Puzzles
Win all Toss Ups in a single game
Win $100,000 total
Win $25,000 in one round
Win a Jackpot
Land on Bankrupt twice in a row
Lose a prize wedge or tag by Bankrupt
Win a Vehicle!
Win your first game
Win a game on Easy difficulty
Win a game on Medium Difficulty
Win a game on Hard Difficulty
Win $10,000 in one round
Win a Toss Up
Become a Minigame Champ
Play every minigame
Solve the puzzle without guessing letters on your turn
Look at the Used Letter Board
Win $2,000 in one round
Win $5,000 in one round
Solve a puzzle!
Guess five letters in a row
Buy every vowel during a puzzle
Perform a gesture
Change Clothes in the Contestant Creator