There are 13 Trophies that can be earned in this title.

Bronze

Beginner's luck!
Win an online game

Rockstar out!
Win the 4th show

Onto a winner!
Win the 8th show

Too much luck!
Win the 12th show

House party!
Host 10 public games

Silver

Couch potato!
Win the 16th show

Luck of the devil!
Win 20 online games

Boardcracker!
Win the 20th show

No Whammies!
Win a show with no Whammy

Buzzer beater!
Win an online game by buzzing first and answering the correct answer to ever question

Big Bucks!
Win over $60,000 in one show

2 Secret

Bronze

Press your clothes!
Create a complete custom character

Cheap trick!
In an online game, pass you spins to an opponent who gets a Whammy on your passed spins

http://www.ps3trophies.org/game/press-your-luck/trophies/