Back to the Future achievements

Find "Chuckles Lenart".

Prevented the Great Hill Valley Fire.

Got a full explanation of your situation.

Emmett completes his spectacular failure at the Expo.

Took the fewest possible trips to Emmett's lab.

Rescued Citizen Brown from the Citizen Plus program.

Found a hidden passageway.

Collected every Demerit in the game.

Listened to all tourist audio guides in Hill Valley.

Dried a cop out.

Crafted a mind map of Emmett that reveals him to be a "Degenerate Criminal."

Solved the saloon puzzle with no more than two trips to the second floor.