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