Here is the full list of all 19 Dust & Neon achievements.
Upgrade 6 skills
Reload 25 bullets
Reload 100 bullets
Loot 10 weapons
Beat boss 1
Beat boss 2
Beat boss 3
Beat boss 4
Beat boss 5
Beat boss 6
Rebeat all bosses 2 times
Upgrade 12 skills
Upgrade 18 skills
Upgrade 24 skills
Reload 250 bullets
Reload 500 bullets
Loot 50 weapons
Loot 100 weapons
Loot 200 weapons