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