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