Downwell

Well Master

Beat the boss (hard mode)

So Much Stuff

Beat the fourth area (hard mode)

So Many Squids

Beat the third area (hard mode)

Frugality

Have more than 5000 gems

So Many Ghosts

Beat the second area (hard mode)

So Many Frogs

Beat the first area (hard mode)

Sugoi Combo

Land a 100 combo

Ground Allergy

Complete a level without landing

Bye Well

Beat the boss

Saving Up

Have more than 3000 gems

Pacifist

Complete a level without killing any enemy

Bye Stuff

Beat the fourth area

Bye Squids

Beat the third area

Whoa Combo

Land a 30 combo

Mottainai

Complete a level without shooting

Bye Ghosts

Beat the second area

Wow Combo

Land a 10 combo

Bye Frogs

Beat the first area

Time Never Stops

Complete a level without visiting siderooms

Careful Descent

Complete a level without taking damage