Here is the full list of all 100 DORAEMON STORY OF SEASONS achievements.
Joined 1st horse race!
Joined 1st NewYearFest!
Joined Winter Contest!
First lamb born!
Joined Cow Contest!
Got Human Locomotive!
Joined Autumn Contest!
Joined Treasure Hunt!
Joined Sheep Contest!
First calf born!
First chick born!
Joined 1st Harvest Fest!
Got Invention Inventor!
Joined Summer Contest!
Got 1st fluffy furniture!
Solved Elder Tree mystery!
Got 1st gorgeous furniture!
Joined Chicken Contest!
Found Koropokkur!
Joined 1st beetle race!
Got Anywhere Door!
Completed a lithograph!
Got 1st country furniture!
Got 1st stone furniture!
Got a lithograph piece!
Split 1st watermelon!
Joined Spring Contest!
Played Cork Rifle!
Got 1st ocean furniture!
Got 1st fossil furniture!
Raised 1st chicken!
Raised 1st sheep!
Raised 1st cow!
1st horse pal!
1st cat pal!
Built 1st horse stable!
1st rabbit pal!
1st dog pal!
1st bear pal!
Got Searching Cane!
Made 1st dish!
1st monkey pal!
Expanded Noby's house!
Got 1st Super Gloves!
Befriended Vera!
1st squirrel pal!
Befriended Ravi!
Befriended Taurus!
Befriended Jemma!
Befriended Ryam!
Befriended Doraemon!
Befriended Sneech!
Befriended Blake!
Befriended Gennie!
Befriended Helen!
Befriended Eria!
Befriended Cafet!
Befriended Serena!
Befriended Sue!
Befriended Sandy!
Befriended Aries!
Befriended Cooper!
Befriended Rem!
Befriended Harmon!
Befriended Pent!
Befriended Regis!
Befriended Henson!
Befriended Big G!
Befriended Mark!
Befriended Smitty!
Went to Splosh Lake!
1st buy at chicken shop!
Got 1st wood furniture!
Got 1st stump furniture!
Got 1st resort furniture!
Dug 1st time w/pickaxe!
Went to the cave!
Visited Mt. Whistle peak!
Went to the mine!
Put produce in crate!
1st buy at livestock store!
1st buy at smithy!
1st buy at clinic!
1st buy at restaurant!
Caught 1st fish!
Went to Rolin Forest!
Caught 1st bug!
Went to Lake Drench!
Went to Zazan Beach!
Went to Lumbrjck Forest!
Went to Swoosh Falls!
Got 1st simple furniture!
1st buy at General Store!
Went to Natura!
Went to Harappa Square!
Watered 1st crops!
Sowed 1st seed!
Plowed 1st field!
Cut 1st stump!
Cut down a tree!