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