Here is the complete list of unlockable trophies for Back To The Future The Game Episode 4: Double Visions for the PS3.
A Not-So-Beautiful Mind (Bronze) – Crafted a Mind Map of Emmett that Reveals him to be a “Degenerate Criminal”
An Uncomfortable Truth (Bronze) – Emmett is Prophetically Honest About His Marriage Prospects
Breaking Up is Hard to Do (Silver) – Broke up Emmett and Edna
Edna Was Right! (Bronze) – Revealed Hill Valley Hooliganism Rate
Free Citizen Brown! (Silver) – Rescued Citizen Brown from the Citizen Plus Program
Let Them Eat, Um, Cake (Bronze) – Offered Algae Cakes to Everyone
Like a Not-So-Fine Wine (Bronze) – Messed with Emmett’s Cleanser
The Other Woman (Bronze) – Got Trixie Ready to Make Edna Jealous
The Power of Love? (Bronze) – Escaped from Marty’s Cell
There’s a Moose? (Bronze) – Get a Good Look at Trixie’s Postcard
Timely Traveller (Bronze) – Take the Fewest Possible Trips to Emmett’s Lab
To the Expo! (Gold) – Marty and Emmett head to the Expo
Your Own Personal Frankenstein (Silver) – Gave Emmett his Epiphany