Here is the full list of all 24 Superflight achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Inverting the steering axis? Seriously, that's just wrong.
Crash 300 times.
Enter the zen mode.
Explore 100 maps.
Gain 40.000 points in a single run.
Explore 50 maps.
Gain 20.000 points in a single run.
Crash 150 times.
Crash 50 times.
Gain all three praises in a single run.
Loose 10.000 points in a crash.
Gain the "Godlike!" praise.
Complete a 10.000 points combo.
Complete a 5.000 points combo.
Enter a seed and create a map.
Explore 25 maps.
Gain 10.000 points in a single run.
Gain 5.000 points in a single run.
Gain the "So Close!" praise.
Travel through a portal.
Complete a 1.000 points combo.
Gain the "Awesome!" praise.
Complete your first run in Superflight.
Reach the end of a map.