Full list of all 13 The Last Dream: Developer's Edition achievements. It takes around 5-6 hours to unlock all of the achievements on Windows.
Free the cat.
Collect all the cat toys.
Fly across the chasm.
Neutralize the flower.
Enter the plant.
Paint over the pit.
Finish all FROGs without hints.
Finish all mini-games without skipping.
Watch all videos without skipping.
Find all the bonus photos in the game.
Collect all the dreamcatchers.
Finish the main game.
Finish the bonus game.