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.
Peace between Indians and Military
Explore all the things
Beat the game as the Gunslinger.
Your family wouldn't give up their land.
Explore more
Obviously you had to shoot all those people, they were coming right for you!
Explore 100% of the map
Soberly together again.
Keep all buffalo alive during a Buffalo Drive.
Digging beyond the veil.
Finally got that Miner's Hat.
Free all of the Buffalo enslaved by the Ranchers.
Don't go thinking you're Annie Oakley, those three hatshots in a row were just a fluke.
Explore 50% of the map
Dispatching justice will require style!
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.
Where do you think you're going?
This again? We know we just gave you a gun, but you might not want to shoot everyone.
Bla, bla, bla. You just keep jabbering on.
He shot you? That's not what is supposed to happen.
Onwards, adventure awaits!
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.
Unlock all playable Characters
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
You know exactly what's on his person.
It speaks louder than words.
You just can't keep your hands off the stuff.
A side of justice with your revenge?
Two thousand dollars in the bank. It's a lot of money. Takes me three years to earn it!
Can't read my...
They read it, you weep.
Magnificent might be a bit of stretch, but the Seven part is undeniable.
Unfold the secret of the animal statues.
Find the Movie Set
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.
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!
Prevent any packages from being stolen during the Carriage Protection.
Keep Rancher Bob, Bell and Cobb alive during the Mansion Attack.
Trains back in town
Retake our land!
Like playing monopoly
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.
Sister got the river in Santa Anna flowing again.
Help the Indians get past the Military Blockade.
The sheriff helped you 3 times
Rancher Franchise Made.
Buffalo wearing hats and stripes.
A place to start over.
Talk to Oilrig Manager at every drilling location.
Convince the Ticket Salesman that you're from the Transcontinental Express.