Here is the full list of all 52 Boot Hill Heroes achievements.
Have two players play Boot Hill Heroes
Meet firecracker rodeo gal, Rosy Garrett
Put on your hat, say goodbye, and venture out into the world.
Defeat the Weezler and rid the barn of varmints
Defeat an enemy without getting hit
Open your eyes and begin your adventure!
Defeat all the bullies in Mrs. Mowry's classroom
Meet the bounty hunter called Doc
Listen to Doc in the Whisker Woods
Learn the terrible secret behind the attack on Ashwood
Encounter the Chepakwik Princess, Moon Dancer
Imbue your hunting knife for Dreaming Lark
Complete Moon's performance in the circus show
Watch Monty escape once more...
Set out to track down the Saints-Little Gang
Complete the first act of this saga
Defeat the Blue Dwarf Bear
Defeat Razor Paw
Defeat an escaped Lion
Defeat Ivan the Strongman
Defeat Dean Locke in the past
Defeat Monty Spades in the past
Defeat Tuco Delgado in the past
Defeat Stampede Sally in the past
Defeat Creed Little in the past
Defeat Burning Crow in the past
Defeat Scorpion Saint in the past
Defeat Coyote Saint in the past
Learn all you can from the mysterious "Ottor"
Attempt to ride your horse on the Snake Tail River
Equip a four-character party with pitchforks
Buy a baseball bat from Humble Brian
Get new hats from the Desert Skags
Throw a log at an enemy
Fall out of the cinnabar mines
Speak to Higgins Comfort multiple times
Hold 50 eggs
Get hopelessly lost in Fool's Feast
Use "Trip" a dozen times
Get "Licked" a dozen times
Get a four character party entirely full of wounds
Pluck materials from 50 animals
Max out a "Pump" attack
Allow an enemy to be defeated from an "on fire" ailment
Get a 4x Star Shot on an enemy
Have 40 different kinds of materials in your inventory
Save Kickstart Creek
Have a four character party completely full of perks
Complete Mad Man Mitch's quest
Give mom some money to save the farm
Earn seven dropped materials from a battle
Have four players play Boot Hill Heroes