Here is the full list of all 60 My Time at Sandrock achievements.
Have a romantic relationship with any character.
A whole year has gone by...
Workshop upgraded to 5 stars.
Won first place in Sandrunning.
Find all of Mort's photos.
Done 40 exhibits to the museum.
Never going to stay up all night again...
Give 100 gifts.
Get 500 Game Center coins.
Repair the Water Tower.
Increase one person's favor by more than 20 with a single gift.
Defeat Pen in a duel.
Complete 100 Commissions.
Repair the Shonash bridge.
Give a hated gift.
Kick something from trees 50 times.
Make friends with 10 people.
Pick up feces 50 times.
Have your workshop ranked as #1 for the month.
Won first place in the ghost hunting event.
Clean up trash 50 times.
Got over 100 in Whack-a-Mole.
Open 50 chests.
Won first place in the dance contest.
Unlock 50 backpack slots.
Defeat 20 elite monsters.
Make a Hydrogel.
Obtain 1 diamond.
Have 20 duels.
Win at cards 20 times.
Get 10,000 Gols.
Chat 200 times.
Assemble and install the Crane Lift.
Get 10 Knowledge Points.
Use 500 stamina in one day.
Successfully registered the workshop.