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 in less than an hour
Beat the game as the Sister
He had it coming to him.
Unfold the secret of the animal statues.
Unlock all playable Characters
Trains back in town
He shot you? That's not what is supposed to happen.
Beat the game as the Brother
Beat the game without getting shot
Now where is that deputy?
Can't read my...
You just can't keep your hands off the stuff.
That buffalo wasn't even wearing the right hat.
Come on now, what did those lizards ever do to you?
Two thousand dollars in the bank. It's a lot of money. Takes me three years to earn it!
They read it, you weep.
This again? We know we just gave you a gun, but you might not want to shoot everyone.
You pretty much shot more people than actually exist, congratulations!
Convince the Ticket Salesman that you're from the Transcontinental Express.
Dispatching justice will require style!
Beat the game as the Gunslinger.
Your family wouldn't give up their land.
It sh*ts money
Retake our land!
Don't go thinking you're Annie Oakley, those three hatshots in a row were just a fluke.
You know exactly what's on his person.
Help the Indians get past the Military Blockade.
Explore all the things
A place to start over.
Where do you think you're going?
Rancher Franchise Made.
Make the graveyard safe to visit.
Free all of the Buffalo enslaved by the Ranchers.
Explore more
Explore 100% of the map
Obviously you had to shoot all those people, they were coming right for you!
Digging beyond the veil.
Find the Movie Set
Lost Miner reunited with Miner's Wife.
Finally got that Miner's Hat.
From mayhem to meats, the Beefheads did it all
Explore 50% of the map
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.
Bla, bla, bla. You just keep jabbering on.
Onwards, adventure awaits!
Beat the game with less then 20 kills
Beat the game as the Indian
It speaks louder than words.
A side of justice with your revenge?
Magnificent might be a bit of stretch, but the Seven part is undeniable.
Unlock all Weapons
Unlock all hats at the Haberdasher.
You just became the biggest star here, since there isn't anyone left except for a few extras.
Your Dad was the Murderer.
You were the Murderer.
Too much PDA, bro.
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.
Prevent any packages from being stolen during the Carriage Protection.
Keep Rancher Bob, Bell and Cobb alive during the Mansion Attack.
Like playing monopoly
Peace between Indians and Military
He has such great personalities
Sheriff's back to kicking Ass
Sheriff's worse than when you met him
Mrs. Tressabell Gunslinger
Mrs. Tressabell Sheriff
Mrs. Tressabell Johnston
The Beefheads playing for the other side
The banditos are back to causing trouble.
Lost Miner and Miner's Wife both move on.
Sister got the river in Santa Anna flowing again.
The sheriff helped you 3 times
Buffalo wearing hats and stripes.
Talk to Oilrig Manager at every drilling location.