Here is the full list of all 79 Westerado: Double Barreled achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
The Beefheads playing for the other side
Magnificent might be a bit of stretch, but the Seven part is undeniable.
A side of justice with your revenge?
Sheriff's worse than when you met him
The sheriff helped you 3 times
Mrs. Tressabell Sheriff
Sheriff's back to kicking Ass
Keep all buffalo alive during a Buffalo Drive.
You just became the biggest star here, since there isn't anyone left except for a few extras.
You found all the endings!
Now where is that deputy?
They were all in on it!
Peace between Indians and Military
Buffalo wearing hats and stripes.
Mrs. Tressabell Johnston
He has such great personalities
Keep Rancher Bob, Bell and Cobb alive during the Mansion Attack.
He had it coming to him.
From mayhem to meats, the Beefheads did it all
Rancher Franchise Made.
Beat the game as the Indian
You were the Murderer.
Your mother loved an Indian, and was hiding them in the walls.
Unlock all Weapons
Unlock all playable Characters
Retake our land!
Help the Indians get past the Military Blockade.
Free all of the Buffalo enslaved by the Ranchers.
Beat the game as the Sister
Too much PDA, bro.
Mrs. Tressabell Gunslinger
A place to start over.
Lost Miner reunited with Miner's Wife.
Your Dad was the Murderer.
You pretty much shot more people than actually exist, congratulations!
Beat the game without getting shot
Beat the game with less then 20 kills
Beat the game in less than an hour
Beat the game as the Brother
Make the graveyard safe to visit.
Sister got the river in Santa Anna flowing again.
Trains back in town
Convince the Ticket Salesman that you're from the Transcontinental Express.
Digging beyond the veil.
Beat the game as the Gunslinger.
Your family wouldn't give up their land.
Like playing monopoly
Talk to Oilrig Manager at every drilling location.
Unlock all hats at the Haberdasher.
Obviously you had to shoot all those people, they were coming right for you!
You know exactly what's on his person.
Prevent any packages from being stolen during the Carriage Protection.
Unfold the secret of the animal statues.
The banditos are back to causing trouble.
It sh*ts money
Two thousand dollars in the bank. It's a lot of money. Takes me three years to earn it!
Explore all the things
Explore more
Explore 100% of the map
Find the Movie Set
So you had to shoot a few people, right? No big deal.
Don't go thinking you're Annie Oakley, those three hatshots in a row were just a fluke.
That buffalo wasn't even wearing the right hat.
Explore 50% of the map
Lost Miner and Miner's Wife both move on.
Finally got that Miner's Hat.
Soberly together again.
Come on now, what did those lizards ever do to you?
Dispatching justice will require style!
You just can't keep your hands off the stuff.
They read it, you weep.
Can't read my...
Where do you think you're going?
This again? We know we just gave you a gun, but you might not want to shoot everyone.
Sadly we have no knives, so you won't be running any faster.
Bla, bla, bla. You just keep jabbering on.
It speaks louder than words.
He shot you? That's not what is supposed to happen.
Onwards, adventure awaits!