Full list of all 44 Paperball achievements.
The base game contains 26 achievements, and there are 3 DLC packs containing 18 achievements.
Fall Out or Restart 1,000 Times
Get All Gold Medals in World 11
Clear Intermediate Encore
Get All Gold Medals in World 10
Get All Gold Medals in World 9
Get All Gold Medals in World 8
Get All Gold Medals in World 7
Get All Gold Medals in World 6
Get All Gold Medals in World 5
Get All Gold Medals in World 4
Get All Gold Medals in World 3
Get All Gold Medals in World 2
Get All Gold Medals in World 1
Clear Champion
Clear Expert
Clear Intermediate
Clear Novice Encore
Get Your First Platinum Medal
Clear Novice
Reach a Secret Warp Goal
Clear Expert Encore
Clear Champion Encore
Fall Out or Restart 10,000 Times
Get All Platinum Medals in Medal Mode
Skip a Stage
Fall Out or Restart 76,000 Times
Clear Sunflower Fields
Get All Gold Medals in World A
Get All Gold Medals in World B
Get All Gold Medals in World C
Get All Gold Medals in World D