Here is the full list of all 11 Roses and Gems achievements.
Rescued the pirate merchant.
The world is broken...
You've discovered Aleville!
You've defeated the final boss! Or have you?
You've completed hard difficulty!
You've completed a more manly difficulty!
You didn't die, wish unfulfilled.
Completing this difficulty isn't actually too hard.
Rocks falling from the sky means nothing to you.
You may have completed this difficulty, but with the world destroyed, have you truly won?
You may as well stop playing now, this game has nothing harder to offer.