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