Here is the full list of all 16 Zipp's Café achievements.
Finish the first day
Finish the second day
Finish the third day
Get all Codex entries
Finish the story mode with a 100% rating
End the game with the bad ending
End the game with the good ending
Examine everyone during the game
Achieve 100% in coffee brewing or cooking
Achieve a coffee brew or cooking below 60%
Point a gun at Mick
Finish a recipe in under 30 seconds, with a 100% rating, in any mode
Serve 50 coffees
Serve 20 teas
Serve 30 foods
Get all the achievements