Here is the full list of all 22 Hans achievements.
"Hans" 10 times.
Jump 1000 times.
"Hans" for the first time.
Unlock your first skin.
Unlock 10 skins.
Unlock all skins.
Complete the level.
Complete the level in under 30 minutes.
Complete the level without using slow-motion.
Complete the level without any "Hans".
"Hans" 50 times.
"Hans" 100 times.
"Hans" 200 times.
"Hans" 3 times in a single fall.
Fall from 5000 meters.
Go inside every dumpster on the level.
Score a goal.
Jump 2500 times.
Jump 5000 times.
Restart 100 times.
Find a way to escape from the map.
Equip the basketball skin and nail a perfect swoosh through the hoop.