Rescued Doc from Kid Tannen.
Acquired Emmett's Rocket Drill.
Flawlessly mixed up a batch of Emmett's Rocket Fuel.
Managed to get 190-proof alcohol delivered to Emmett's.
Delivered the subpoeana to Arthur McFly.
Talked Emmett into completing the Rocket Drill.
Discovered the origin of the "new" DeLorean.
Namechecked "Back to the Future" creators.
Traveled back in time to rescue Doc.
Heard about the curious fate of Marshall Strickland.
Got Doc's Notebook back from Biff.
Perfectly repeated dialog while repeating Doc's temporal experiment.
Take the fewest possible trips to Emmett's lab.
Get a good look at Trixie's postcard.
Messed with Emmett's cleanser.
Emmett is prophetically honest about his marriage prospects.
Crafted a mind map of Emmett that reveals him to be a "Degenerate Criminal."
Revealed the Hill Valley hooliganism rate.
Got Trixie ready to make Edna jealous.
Treated Desert Edna to an algae cake.
Emmett completes his spectacular failure at the Expo.
Restored Edna's memory.
Prevented the Great Hill Valley Fire.
Had a conversation with a cactus.
Complete the glass house maze without going back up the stairs.
Impersonated three people over the phone.
Recorded everyone at the Expo.
Get your money's worth at the Expo.
Solve the saloon puzzle with no more than two trips to the second floor.
Busted a move, 80's style.
Offered algae cakes to everyone.
Earn all trophies in: "Back to the Future: The Game"
Escaped from Marty's cell.
Layout Biff and escape the speakeasy.
Defeat Kid Tannen.
Find a hidden passageway.
Dry a cop out.
Get a gangster's girl to do the right thing.
Defeat the Tannen Brothers in six jumps.
Rescue Arthur with minimal fuss.
Track down a missing accountant.
Enjoy a full set from Hill Valley's leading songstress.
Break the password code without cheating.
Find "Chuckles Lenart".
Get a full explanation of your situation.
Use the DeLorean parts to enter Hill Valley.
Rescued Citizen Brown from the Citizen Plus program.
Got caught with Lorraine's booze.
Got caught making out with Jennifer.
Got caught with Einstein.
Jumped into the Decycling Bin.
Listen to all tourist audio guides in Hill Valley.
Collect every Demerit in the game.
Use the spray can to paint Marty's band name in the alley.
Examine every container of contraband in the speakeasy.
Coax Edna out of the courthouse with the buzzer.
Marty and Emmett head to the Expo.
Broke up Emmett and Edna.
Gave Emmett his Epiphany.