Here is the full list of all 25 Fenimore Fillmore: The Westerner achievements.
Defeat the evil cattleman and his minions.
Finish the game by giving less than 20 carrots to the horse.
Find 100 Dollars for free.
Free them from an ambush.
Win the Winchester.
Assault the bank.
Blow up the bridge.
Making more than 50 targets in the last round.
Get dynamite.
Deliver an important message.
Buy contraband items.
Release the prisoner.
Send six telegrams.
Someone is thirsty.
Use a tracker to find someone.
Meet Livy.
Fish a trout.
She needs a doctor.
Enter into storeroom.
Have a bank account.
Welcome to the Far West.
Saddle and ride your horse.
Meet the oppressed farmers.
Meet the beautiful teacher.
Win a spicy sarsaparilla duel.