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