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