Here is the full list of all 13 Back to the Future - Episode 4: Double Visions trophies - there are 9 bronze, 3 silver and 1 gold.
Take the Fewest Possible Trips to Emmett's Lab
Offered Algae Cakes to Everyone
Revealed Hill Valley Hooliganism Rate
Get a Good Look at Trixie's Postcard
Marty and Emmett head to the Expo.
Gave Emmett his Epiphany.
Broke up Emmett and Edna.
Messed with Emmett's Cleanser.
Emmett Is Prophetically Honest About His Marriage Prospects.
Got Trixie Ready to Make Edna Jealous
Crafted a Mind Map of Emmett that Reveals him to be a "Degenerate Criminal."
Rescued Citizen Brown from the Citizen Plus Program.
Escaped from Marty's Cell.