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.
Find the Movie Set
Trains back in town
You know exactly what's on his person.
Rancher Franchise Made.
Digging beyond the veil.
Explore all the things
Buffalo wearing hats and stripes.
Where do you think you're going?
They read it, you weep.
You just can't keep your hands off the stuff.
Beat the game as the Gunslinger.
Obviously you had to shoot all those people, they were coming right for you!
Explore more
From mayhem to meats, the Beefheads did it all
Explore 100% of the map
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.
Don't go thinking you're Annie Oakley, those three hatshots in a row were just a fluke.
Explore 50% of the map
So you had to shoot a few people, right? No big deal.
Make the graveyard safe to visit.
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!
He shot you? That's not what is supposed to happen.
You pretty much shot more people than actually exist, congratulations!
Come on now, what did those lizards ever do to you?
Now where is that deputy?
That buffalo wasn't even wearing the right hat.
This again? We know we just gave you a gun, but you might not want to shoot everyone.
Unlock all playable Characters
Dispatching justice will require style!
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 Sister
Beat the game as the Indian
It speaks louder than words.
A side of justice with your revenge?
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 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.
Your family wouldn't give up their land.
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.
Keep Rancher Bob, Bell and Cobb alive during the Mansion Attack.
Retake our land!
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
The banditos are back to causing trouble.
Finally got that Miner's Hat.
It sh*ts money
Lost Miner reunited with Miner's Wife.
Lost Miner and Miner's Wife both move on.
Sister got the river in Santa Anna flowing again.
Free all of the Buffalo enslaved by the Ranchers.
Help the Indians get past the Military Blockade.
The sheriff helped you 3 times
A place to start over.
Talk to Oilrig Manager at every drilling location.
Convince the Ticket Salesman that you're from the Transcontinental Express.