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