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