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 as the Indian
Talk to Oilrig Manager at every drilling location.
Like playing monopoly
Dispatching justice will require style!
It speaks louder than words.
Your family wouldn't give up their land.
Lost Miner reunited with Miner's Wife.
Unlock all playable Characters
Retake our land!
Help the Indians get past the Military Blockade.
You know exactly what's on his person.
Unfold the secret of the animal statues.
He shot you? That's not what is supposed to happen.
This again? We know we just gave you a gun, but you might not want to shoot everyone.
Peace between Indians and Military
Prevent any packages from being stolen during the Carriage Protection.
You pretty much shot more people than actually exist, congratulations!
You just can't keep your hands off the stuff.
Come on now, what did those lizards ever do to you?
Unlock all Weapons
Now where is that deputy?
Two thousand dollars in the bank. It's a lot of money. Takes me three years to earn it!
Mrs. Tressabell Johnston
He had it coming to him.
Beat the game as the Gunslinger.
Too much PDA, bro.
Can't read my...
They read it, you weep.
Sister got the river in Santa Anna flowing again.
It sh*ts money
Trains back in town
Convince the Ticket Salesman that you're from the Transcontinental Express.
A side of justice with your revenge?
Digging beyond the veil.
Free all of the Buffalo enslaved by the Ranchers.
Rancher Franchise Made.
That buffalo wasn't even wearing the right hat.
Where do you think you're going?
Don't go thinking you're Annie Oakley, those three hatshots in a row were just a fluke.
Explore all the things
Explore more
Explore 100% of the map
Find the Movie Set
Obviously you had to shoot all those people, they were coming right for you!
Mrs. Tressabell Gunslinger
A place to start over.
Buffalo wearing hats and stripes.
So you had to shoot a few people, right? No big deal.
Explore 50% of the map
Finally got that Miner's Hat.
Bla, bla, bla. You just keep jabbering on.
Soberly together again.
Make the graveyard safe to visit.
Sadly we have no knives, so you won't be running any faster.
Onwards, adventure awaits!
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
Magnificent might be a bit of stretch, but the Seven part is undeniable.
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 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.
He has such great personalities
Sheriff's back to kicking Ass
Sheriff's worse than when you met him
Mrs. Tressabell Sheriff
The Beefheads playing for the other side
From mayhem to meats, the Beefheads did it all
The banditos are back to causing trouble.
Lost Miner and Miner's Wife both move on.
The sheriff helped you 3 times