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