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