Here is the full list of all 30 Fallen achievements.
Unlock the good ending
Unlock the bad ending
Unlock the best ending
Unlock the evil ending
Unlock all endings
Unlock all endings on the harder difficulty
Complete a run of the game where you play and win every minigame
Complete a run of the game where you cheat every townsperson
Complete one full rotation of minigames in the minigame rush mode
Complete a run of 40 minigames in a row in the minigame rush mode (without cheating)
Complete the intro minigame
Complete the sand castle minigame without going below 1 second left per block (and without cheating)
Complete the wall minigame with over 10 seconds remaining (and without cheating)
Complete the draw 1 minigame with over 90% accuracy (and without cheating)
Complete the draw 2 minigame with over 6 seconds remaining (and without cheating)
Complete the catch minigame without taking damage
Complete the drain minigame twice in one run of the game
Complete the worm minigame without taking damage (and without cheating)
Complete the card minigame with more than 20 seconds remaining (and without cheating)
Complete the umbrella minigame with over 20% health (and without cheating)
Complete the clean minigame with over 100% accuracy
Complete the watering minigame without taking damage (and without cheating)
Complete the boxes minigame with over 20 seconds remaining (and without cheating)
Complete the maze minigame with more than 15 seconds remaining (and without cheating)
Complete the wire minigame with over 45 seconds remaining
Complete the video game minigame with over 5000 points (and without cheating)
Complete the final minigame without taking damage
Find the hidden treasure
Buy the sunglasses
Unlock every other achievement