Here is the full list of all 12 Braid trophies - there are 5 bronze and 7 silver.
Traversed Level 2
Traversed Level 3
Traversed Level 4
Traversed Level 5
Traversed Level 6
Solved Level 2
Solved Level 3
Solved Level 4
Solved Level 5
Solved Level 6
Solved the entire game
Did some kind of speed run through the game.