Here is the full list of all 31 American Farmer achievements.
Pay for irrigation.
Pay for a hired hand.
Play a game with 8 players.
Play a game with 8 human players.
Play a game with 8 computer players.
Play a game with 2 players.
Attempt to play a game with 0 players. Wait what?
Buy at least 10 crops.
Buy at least 100 crops.
Buy at least 1000 crops.
Sell at least 10 crops.
Sell at least 100 crops.
Sell at least 1000 crops.
Sell crops for $100.
Sell crops for $350.
Pay for manure.
Pay to spray for bugs.
Use the mud card.
Go bankrupt from a fee.
Player 1 wins the game!
Player 2 wins the game!
Player 3 wins the game!
Player 4 wins the game!
Player 5 wins the game!
Player 6 wins the game!
Player 7 wins the game!
Player 8 wins the game!
Land on fire!
Land on flood!
Land on drought!
Land on locust!