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