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 300 times.
Explore 100 maps.
Explore 50 maps.
Crash 150 times.
Inverting the steering axis? Seriously, that's just wrong.
Enter the zen mode.
Gain 40.000 points in a single run.
Explore 25 maps.
Gain 20.000 points in a single run.
Gain all three praises in a single run.
Crash 50 times.
Complete a 10.000 points combo.
Gain 10.000 points in a single run.
Loose 10.000 points in a crash.
Gain the "Godlike!" praise.
Enter a seed and create a map.
Complete a 5.000 points combo.
Gain the "Awesome!" praise.
Gain 5.000 points in a single run.
Reach the end of a map.
Complete a 1.000 points combo.
Travel through a portal.
Complete your first run in Superflight.
Gain the "So Close!" praise.