Here is the full list of all 19 Pic-a-Pix Classic 2 (EU) trophies - there are 4 bronze, 5 silver, 9 gold and 1 platinum.
Collect all the trophies
Earn a medal for every puzzle
Solve every puzzle
Earn a medal for every 30x20 puzzle
Solve all the 30x20 puzzles
Solve a 30x20 puzzle without using an X
Solve a 30x20 puzzle
Earn a medal for every 20x20 puzzle
Solve all the 20x20 puzzles
Solve a 20x20 puzzle without using an X
Solve a 20x20 puzzle
Earn a medal for every 20x15 puzzle
Solve all the 20x15 puzzles
Earn a medal for every 15x15 puzzle
Solve all the 15x15 puzzles
Solve a 20x15 puzzle without using an X
Solve a 20x15 puzzle
Solve a 15x15 puzzle without using an X
Solve a 15x15 puzzle