Here is the full list of all 44 Diaries of a Spaceport Janitor achievements.
finish the game
transfer the skull curse
play 10+ minutes every (real-world) day, 9 days in a row
incinerate one of each tier-one currency
sell a mythic spellswatch
stay inside all day
gain 200 MC in one day
collect every trading card
collect enough blue gems
lose 200 MC in one day
sell an uncommon spellswatch
feed 5 dirt to dirt girl
parkour out of the map
return to the sewerdungeon
trade with Shifty Sallamot
get a tablet piece from Rhiande
incinerate 50 pools of vomit
worship every goddess in the same day
dank....
peruse the market's wares
sell a rare spellswatch
sell a common spellswatch
complete one week
get your luck index over 500
explore every area
get the first tablet piece
get your luck index over 100
eat an item off the ground
incinerate 100 items
buy river weevils
stay out late on Theday
complete one day
start the day poor, end it poorer
get your luck index below -100
get cursed
get your luck index below -666
sell an item for more than 50 credits
get mugged 3x in one day
drink poison
get a random achievement from the merchant
lose all your achievements