Here is the full list of all 19 FlyN achievements.
Buy all the illustrations.
Stick for 1 hour.
Complete all the bonus levels.
Dash 1,500 times.
Stop the Garbage Collector
Bounce 5,000 times.
Stop the Telescreen.
Complete the Electri's bonus levels.
Complete the Tripatio's bonus levels.
Complete the Tricoton's bonus levels.
Stop the Portapotree.
Complete the Trilab's bonus levels.
Glide for 10 minutes.
Die more than 50 times in a single level, then complete it.
Return to the checkpoint 50 times.
Stop the MX_Tripator.
Stop the MX_Tricotor.
Sing for 2 minutes.
Buy an illustration.