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