Here is the full list of all 34 Jumping Knight achievements.
Hit the floor for the first time.
Hit the floor 100 times.
Hit the floor 1000 times.
Hit the floor 10000 times.
Fall into the big slide.
Jump 100 times.
Jump 5000 times.
Jump 25000 times.
Spend your first 5 minuts in game.
Spend 1 hour in one playthrough.
Spend 10 hour in one playthrough.
Spend 25 hours in one playthrough.
Waste 1 hour in first biome.
Waste 1 hour in second biome.
Waste 1 hour in third biome.
Waste 1 hour in fourth biome.
Stand on the sun.
Fall 1 km in one playthrough.
Fall the distance of the Mariana Trench in one playthrough.
Fall 100 km in one playthrough.
Fall the distance of one biome.
Complete the game.
Kill Jumping Knight.
Complete the game in under 30 minutes.
Complete the game in under one hour.
Complete the game without hitting the floor.
Open your first door.
Open all doors.
Walk 200 km.
Walk 1000 km.
Hit the floor 100000 times.
Jump 100000 times.
Fall 10000 km in one playthrough.
Spend 100 hours in game.