Back to the Future - Episode 3: Citizen Brown Forum

There are 11 Trophies that can be collected.

Bronze

Hill Valley Tourist
Listen to all tourist audio guides in Hill Valley.

One Bad Apple
Collect every Demerit in the game.

Marty and the Pinheads
Use the spray can to paint Marty's band name in the alley.

Hidden Treasure
Examine every container of contraband in the speakeasy.

Ruin it for Everyone
Coax Edna out of the courthouse with the buzzer.

Silver

Hope You're Insured
Use the DeLorean parts to enter Hill Valley.

Intervention
Got caught with Lorraine's booze.

Seven Minutes in Heaven
Got caught making out with Jennifer.

All Good Dogs Go To Utah
Got caught with Einstein.

Into the Garbage Chute, McFly-boy
Jumped into the Decycling Bin.

Gold

Final Solution
Layout Biff and escape the speakeasy.

http://www.ps3trophies.com/for…..-list.html