There are 46 Trophies that can be collected.

BRONZE

That is Correct!
Respond to a clue correctly

Showoff
Perform a gesture

We Have A Champion!
Win a game

Dressed Smartly
Change clothes in the Contestant Creator

Daily Double Winner
Respond to a Daily Double correctly

No Brainer
Win a game on Easy difficulty

Challenge Accepted
Finish an online game

Clue Solver
Respond to five clues correctly

Welcome to the Winner
Win an online game

Returning Champion
Win five games

My Category!
Finish a category with the correct response

What is the Correct Response?
Respond correctly after someone does not

Still the Returning Champion
Win 10 games

No Time For Small Change
Solve the highest dollar value clue in a category first

Should Have Bet More
Answer Final Jeopardy! correctly with a $0 wager

A $5K Game!
Win $5,000 in one game

The Minigame Champ!
Become a Minigame Champ

I Like Minigames
Play every minigame

Clue Streak
Respond to five clues correctly in a row

My Favorite Category
Respond to every clue in a category

A $10K Game!
Win $10,000 in one game

Daily Double Pro
Win all Daily Doubles in a single game

Make It A True Daily Double
Wager everything and respond to a Daily Double correctly

Finally Knew It!
Be the only one to respond to Final Jeopardy! Correctly!

Clue Crew Member
Respond to all Clue Crew clues correctly in a game

Ultimate Minigame Champ
Win every minigame

Final Wager
Wager it all in Final Jeopardy with a correct response

It
Correctly respond to all five clues in a single subject

Thinking Ahead
Win a game on Medium difficulty

A $25K Game!
Win $25,000 in one game

Quick on the Buzzer
Be the first to respond to every clue on a board

Category Expert
Respond to Clues Correctly from 25 categories

SILVER

How Did You Know?
Pick the Daily Double before any other clues are revealed

Jeopardy Pro!
Win 25 games

It Pays Off!
Win $100,000 total

Clue Streak, Again!
Respond to ten clues correctly in a row

It Really Pays Off!
Win $250,000 total

A $35K Game!
Win $35,000 in one Game

Know It All
Win a game on Hard difficulty

Clue Master!
Respond to 200 Clues Correctly

Jeopardy! Champ!
Acquire all contestant clothes and logos

Sweep Week
Win five games in a row

GOLD

I Never Guess
Complete a game without entering any incorrect responses

What A Pay Off!
Win $1M total

Jeopardy! Master!
Win 50 Games

PLATINUM

Jeopardy! Fanatic
Obtain all trophies.

http://www.ps3trophies.org/game/jeopardy/trophies/