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