Here is the full list of all 12 Horde Of Plenty achievements.
Collect 1,000 large coins.
Trigger 'SPEED x5' Bonus Multiplier, 25 times.
Collect 1,000 hearts.
Collect 100 Apples
Slay 10,000 enemies.
Collect 100 health potions.
Trigger 'SPEED x4' Bonus Multiplier, 20 times.
Complete the game.
Collect 13 Apples in one game.
Collect 5 gold stars in one game.
Trigger 'SPEED x3' Bonus Multiplier, 15 times.
Trigger 'SPEED x2' Bonus Multiplier, 10 times.