Here is the full list of all 51 PomoFarm achievements.
Sold 2000 Crops
Focused for 2000 Minutes
Harvested 2000 Crops
Earned 500 Snails
Focused for an Entire 99 Minutes and 59 Seconds in One Session
Played for 10 Unique Days
Earned 50,000 Peas
2 Years of Farming
Earned 25,000 Peas
Bought 500 Seeds
Earned 5,000 Peas in a Single Season
Earned 200 Snails
Earned 3,000 Peas in a Single Season
Earned 10,000 Peas
Harvested 500 Crops
Sold 500 Crops
Earned 100 Snails
Focused 50 Times
Played for 5 Unique Days
Focused for 888 Minutes
1 Year of Farming
Earned 1,600 Peas in a Single Season
Focused 25 Times
Earned 2,000 Peas
Played for 2 Unique Days
Harvested 100 Crops
Sold 100 Crops
Earned 800 Peas in a Single Season
Bought 100 Seeds
Earned 500 Peas
Earned 20 Snails
Focused for 333 Minutes
Focused 10 Times
Earned 200 Peas in a Single Season
Sold 25 Crops
Harvested 25 Crops
Focused for 111 Minutes
Focused 4 Times
Bought 25 Seeds
Focused 100 Times
Focused for 5000 Minutes
Harvested 5000 Crops
Bought 2000 Seeds
Bought 5000 Seeds
Sold 5000 Crops
3 Years of Farming
4 Years of Farming
5 Years of Farming
Played for 20 Unique Days
Played for 30 Unique Days
Earned 1000 Snails