Here is the full list of all 20 Jacob Jones and the Bigfoot Mystery trophies - there are 19 bronze and 1 silver.
Earn maximum merits for Episode 1
Complete Circuit Training in less than 9 moves
Complete That Ain't Sitting Right in less than 13 moves
Collect all soda cans
Complete A Note of Friendship in less than 6 moves
Collect all Gnatnobblers
Complete Rolling Blunder in less than 27 moves
Complete Pack Mentality in less than 9 moves
Complete 20 puzzles
Complete Episode 1
Reach the Airfield
Earn 40000 merits
Collect 40 soda cans
Complete 10 puzzles
Meet a Bigfoot
Collect 3 Gnatnobblers
Survive the First Night in camp
Earn 10000 merits
Complete Log Jam in less than 12 moves
Complete your First Puzzle