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