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.
Defeat the evil cattleman and his minions.
Get dynamite.
Free them from an ambush.
Win the Winchester.
Assault the bank.
Blow up the bridge.
Find 100 Dollars for free.
Deliver an important message.
Release the prisoner.
Fish a trout.
She needs a doctor.
Send six telegrams.
Enter into storeroom.
Saddle and ride your horse.
Meet the oppressed farmers.
Meet the beautiful teacher.
Have a bank account.
Someone is thirsty.
Win a spicy sarsaparilla duel.
Buy contraband items.
Use a tracker to find someone.
Meet Livy.
Welcome to the Far West.