Here is the full list of all 91 My Time At Portia achievements. It takes around 200 hours to unlock all of the achievements on Windows.
Complete all five Dee-dee transport commissions.
Complete 150 Commerce Guild commissions.
Getting divorced.
Pass the trials set by Ginger's family.
Win 20 games of Rock Paper Scissors in 3-0 fashion.
Complete Phyllis's Dream
Accept the proposal from Mint.
Have or adopt a second child.
Achieve the relationship "Happy Child" with your kid.
Place first in five fishing competitions.
Have or adopt a child.
Achieve the best relationship with your spouse.
Congratulations!
Propose to Emily in front of the Pumpkin Princess House.
Cumulatively picked up 500 feces.
Try lasso roping for 50 times.
Used all items from the Vending Machine in the Deepest Ruins.
Workshop reputation reaches Level S.
Clear Level 100 of the Deepest Ruins.
Get to Level 50 of the Deepest Ruins without using Vending Machines.
Clear Level 50 of the Deepest Ruins.
Accept Gust's proposal.
Win the highest possible award in the Slots mini-game.
Find more than 10 Ghost Badges in a single Day of Memories event.
Win at Cross Five 50 times.
Throw ten parties.
Completed 100 Inspections at the Commerce Guild.
Clear Level 10 of the Deepest Ruins.
Recognize 5 different constellations.
You were at fault...
You missed a date.
Get 300 items by kicking trees.
Accumulated 10 meals during dates and play dates.
Accumulated 10 times during the Doodles mini-game where the play date is happy with the result.
Place 5 advertisements in the Portia Times for the workshop.
Enjoy some fireworks with Dr. Xu.
Complete the adventure in the cave with Arlo.
Accumulated 10 times in the Swing mini-game where the play date is happy with the result.
Play the seesaw and get your playmate to catch a bird.
Enter the Deepest Ruins.
Defeat 30 rare monsters.
Successfully make 30 different dishes.
Use 50 Fireworks in one setting.
Defeated all the people that can spar in Portia.
Throw a party.
Accumulatively give out 500 gifts.
Have maximum Stamina reach 600.
Have maximum HP reach 2000.
Complete the main storyline.
Adopt Scraps.
Meet Pa.
Unlock all backpack slots.
Expand the land area of the workshop to the maximum.
Everyone likes you!
Defeat the rogue knight and All Source.
Getting caught by the Sky Shark Pirates.
Provide 100 Data Discs to the Church of the Light.
Encounter the rogue knight.
Gather 50 assembly diagrams.
Complete the new Portia Harbor.
Talk with other town folks over 500 times.
Complete South Block.
Be ranked number one in a seasonal workshop ranking.
Keep the spiciness of the hotpot above 85 for 10 seconds during the Winter Solstice festival.
Adopt Pinky.
Find a diamond.
Recover 15 different types of relics.
Help build the Portia Bridge.
Clear all the levels in any Hazardous Ruins.
Opening Of The Museum
Accumulatively give out 50 gifts that people like.
Help fix Ack the living AI.
Help the Portia Tree Farm be operational again.
Open 50 treasure chests.
Did I just use the Blender to mix feces...?
Get more than 40 Ghost Badges in Haunted Cave Exploration.
Provide 100 Data Discs to the Research Center.
Gain 150 points in the Dart game.
Finish with a over 90% accuracy rate in the Balloons mini-game.
Fail at cooking 1 time.
Accumulate 10,000 Gols.
Cut down 200 trees.
The first photo taken with someone else.
Pick up 7 gifts during the Day of the Bright Sun event.
Pass the test to enter the Collapsed Wasteland.
Forced to sleep at 3:00 in the morning.
Discover a mysterious room in Abandoned Ruins.
Give out a gift that the other person doesn't like.
Enter the Abandoned Ruins for the first time.
Register your workshop.
Arrive at Portia.