Full list of all 23 Wuppo: Definitive Edition achievements.
The base game contains 23 achievements, and there are 3 DLC packs containing 0 achievements.
Defeat the Dustboss by using the Breft2000 suit during All Boss mode
Use the practice mode to fight the fish
Hijack and vandalize a Popo City tram
Does Drekel have a shower?
Complete the game
Beat the game on hard mode or higher
Beat the game on insane mode
Buy all gumgumgun upgrades at Betty's gumgum shop
Obtain a Popo Chipcard
Completely cover yourself in dirt
Make an unlikely friend
Upgrade all weapons in the game to their full potential
Personalize your gumgumgun's colours
Exterminate 800 kneft
Find and defeat all bosses
Find and watch all filmstrips
Achieve maximum happiness
Complete your first Boss Run
Beat All Boss Run mode under 25 minutes on normal or higher
Defeat Stoplight in All Boss Mode without getting hit
Complete the Boss Run without items from Tein or Raab's stores on normal or higher
Buy Tein Taatseb's helmet during All Boss mode
Help Raab start his blarb smoothie business