Here is the full list of all 12 To the Moon trophies - there are 5 bronze, 5 silver and 2 gold.
Turn around at the beach ball
Yell at a squirrel
Complete all Elderly age memento puzzles with the optimal number of moves
Complete all Old age memento puzzles with the optimal number of moves
Complete all Middle Age memento puzzles with the optimal number of moves
Complete all Young Adult age memento puzzles with the optimal number of moves
Complete all Teenage memento puzzles with the optimal number of moves
Completed all mementos puzzles with the optimal number of moves
Get a 95% or higher rating in the whackamole carnival game
Cleared 10 or more Zombie Evas
Progress through the Zombieva sequence without taking a single hit
Send Johnny to the Moon