One Bad Apple: Collect every Demerit in the game.
Hill Valley Tourist: Listen to all tourist audio guides in Hill Valley.
Hidden Treasure: Examine every container of contraband in the speakeasy.
Ruin it for Everyone: Coax Edna out of the courthouse with the buzzer.
If you need more detailed answers, let me know.
Originally Posted by RexMaster
I love this guy! There is nothing more to it!
"I hope you know what you're doing, Doc..."
"When I was older, I loved experimenting with time machines."