Here is the full list of all 23 Pic-a-Pix Color 2 (EU) trophies - there are 4 bronze, 11 silver, 7 gold and 1 platinum.
Collect all the trophies
Earn a medal for every puzzle
Solve every puzzle
Solve all the 15x20 puzzles
Earn a medal for every 15x20 puzzle
Solve all the 15x15 puzzles
Earn a medal for every 15x15 puzzle
Solve all the 20x20 puzzles
Earn a medal for every 20x20 puzzle
Solve all the 10x10 puzzles
Earn a medal for every 10x10 puzzle
Solve a 15x20 puzzle without using an X
Solve a 15x20 puzzle in under 5 minutes
Solve a 15x20 puzzle
Solve a 10x10 puzzle in under 1 minute
Solve a 15x15 puzzle in under 3 minutes
Solve a 15x15 puzzle without using an X
Solve a 15x15 puzzle
Solve a 20x20 puzzle
Solve a 20x20 puzzle without using an X
Solve a 20x20 puzzle in under 10 minutes
Solve a 10x10 puzzle without using an X
Solve a 10x10 puzzle