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.
Collect all the cat toys.
Watch all videos without skipping.
Finish the bonus game.
Finish all mini-games without skipping.
Finish the main game.
Find all the bonus photos in the game.
Finish all FROGs without hints.
Collect all the dreamcatchers.
Paint over the pit.
Enter the plant.
Neutralize the flower.
Fly across the chasm.
Free the cat.