Here is the full list of all 23 Freedom Fall achievements.
Pass a level without dying.
Collect 50 large gears.
Get the solo ending.
Get the princess ending.
Get the dragon ending.
Complete the game.
Enter a no-boys-allowed zone.
Beat the princess in a race section.
Complete the guilty path in level 11.
Complete the not-guilty path in level 11.
Buy all the equippable items in the shop.
Pass the game without dying.
Kill the shark boss.
Escape the shark boss.
Kill yourself with a bomb.
Get cog, time and death par for all levels
Get under time par for every level
Get under the death par for every level
Get over cog par for every level
Complete game without buying any equipment
Complete the game on Hard mode
Complete Bombard
Complete Chainmoor