Here is the full list of all 40 Sakuna: Of Rice and Ruin achievements.
Clear the aphid invasion.
Clear the lowest floor of the Amagaeshi Shrine.
Raise your rice level to 50.
Gather every animal at your home.
Complete the game.
Explore every last inch of Hinoe Island.
Deal over 10,000 damage with one attack.
Gather from every gathering spot on the island.
Harvest over 500 rice plants at once.
Collect all agricultural scrolls.
Create 10 kinds of garments or headgear at the loom.
Achieve an above-standard aroma when harvesting.
Release 30 hidden powers from equipment.
Create 20 kinds of tools at the forge.
Trade 1,000 ears with the capital.
Eat 50 different types of food.
Rest on the porch in each of the four seasons.
Become fully proficient in one fighting skill.
Collect all combat scrolls.
Achieve a crash combo of 5.
Achieve a crash combo of 3.
Pray for every type of weather.
Create fertilizer by throwing in over 100 materials.
Have a dinner comprised of 5 desserts.
Have a dinner comprised of 5 types of alcohol.
Have a dinner comprised of 5 rice dishes.
Practice in the training hall 10 times.
Debuff an already-debuffed enemy with a raiment skill.
Climb to the highest roof of the tallest house.
Talk to someone while carrying the manure pail.
Attempt to have a dinner comprised entirely of water.
Achieve an above-standard taste, stickiness, and hardness when harvesting.
Achieve an above-standard yield when harvesting.
Crash 5 enemies together in one fell swoop.
Have a dinner comprised of all 5 types of courses.
Successfully parry an enemy attack 30 times.
Swing behind an enemy with the divine raiment 100 times.
Achieve an above-standard aesthetic when harvesting.
Create white rice with the mortar and pestle.
Swing behind an enemy during an aerial combo twice.