Here is the full list of all 40 Learn to Fly 3 achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Complete Story Mode at 4,000,000 in 13 days or less
Earn all in-game medals.
Reach an altitude of 10,000,000
Reach an altitude of 5,000,000
Complete the game on Story Mode at 4,000,000 altitude
Beat the highscore at Dodo Invaders
Find the game hidden inside the game!
Complete Story Mode in 6 days or less
Hit 30 obstacles in a single flight
Have a single flight lasting more than 200 seconds
Reach a speed of 100mph. Launcher speed doesn't count!
Make a total of 200 purchases
Fly for a total altitude of 20,000,000
Beat Payload Mode.
Play for 200 in-game days.
Earn a total of $1,000,000 (across all modes, cumulative)
Reach an altitude of 10,000 with the default body (empty) equipped.
Reach an altitude of 100,000 with the default body (empty) equipped.
Reach an altitude of 400,000
Reach an altitude of 25,000 without launchers or boosts
Reach an altitude of 200,000 without launchers or boosts
Have $150,000 in your wallet.
Beat Classic Mode.
Fly horizontally for a distance of 100,000
Find all 4 hidden videos
Fly for a total of 2500 seconds
Destroy the moon and prevent Goku from …wait what?
Complete Story Mode
Have $10,000 in your wallet.
Hit a total of 100 obstacles
Play for 50 in-game days.
Earn a total of $50,000 (across all modes, cumulative)
Play the game for 2 real life days
Make a total of 20 purchases
Fly for a total altitude of 500,000
Fly for a total of 300 seconds
Fly horizontally for a distance of 10,000
Have a single flight lasting more than 20 seconds
Reach a speed of 20mph. Launcher speed doesn't count!
Reach an altitude of 5,000