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