Here is the full list of all 24 Table Manners: Physics-Based Dating Game achievements.
Completed all levels at The Meat-Up
Completed all levels at Koi San's
Completed all levels at Sea By The Way
Completed all levels at Drink, Mix 'N' Chill
Completed all levels at Winging It
Earned 3 hearts in all levels
Acquired all customisation items
Succeded your first date
Picked a date from the dating app
Matched with 50 dates
Used all of today's likes in the dating app
Tidied your room
Customised your hand
Reached 101 days
Changed settings in your room
Complete all levels in Liquid Courage mode
Complete any level in Liquid Courage mode
Blocked by messenger
Extinguished a table fire
Used a hand gesture
Complete The Proposal
Dropped a frozen object
Collected all memorabilia
Turned the desk-lamp light off in your room