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