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.
Your mother loved an Indian, and was hiding them in the walls.
You found all the endings!
Beat the game with less then 20 kills
They were all in on it!
Mrs. Tressabell Johnston
He has such great personalities
Mrs. Tressabell Sheriff
Sheriff's back to kicking Ass
You were the Murderer.
Talk to Oilrig Manager at every drilling location.
Like playing monopoly
Peace between Indians and Military
Keep all buffalo alive during a Buffalo Drive.
The Beefheads playing for the other side
Magnificent might be a bit of stretch, but the Seven part is undeniable.
Too much PDA, bro.
Mrs. Tressabell Gunslinger
A place to start over.
Two thousand dollars in the bank. It's a lot of money. Takes me three years to earn it!
Unlock all hats at the Haberdasher.
The banditos are back to causing trouble.
Sheriff's worse than when you met him
The sheriff helped you 3 times
You just became the biggest star here, since there isn't anyone left except for a few extras.
Beat the game as the Indian
Lost Miner reunited with Miner's Wife.
Beat the game as the Sister
Your Dad was the Murderer.
Beat the game without getting shot
Beat the game in less than an hour
Beat the game as the Brother
Sister got the river in Santa Anna flowing again.
Unlock all playable Characters
Trains back in town
Your family wouldn't give up their land.
Retake our land!
Help the Indians get past the Military Blockade.
Free all of the Buffalo enslaved by the Ranchers.
You pretty much shot more people than actually exist, congratulations!
Unlock all Weapons
It sh*ts money
Unfold the secret of the animal statues.
You just can't keep your hands off the stuff.
Keep Rancher Bob, Bell and Cobb alive during the Mansion Attack.
He had it coming to him.
Rancher Franchise Made.
It speaks louder than words.
You know exactly what's on his person.
He shot you? That's not what is supposed to happen.
Beat the game as the Gunslinger.
Come on now, what did those lizards ever do to you?
Don't go thinking you're Annie Oakley, those three hatshots in a row were just a fluke.
Lost Miner and Miner's Wife both move on.
Digging beyond the veil.
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!
Buffalo wearing hats and stripes.
Prevent any packages from being stolen during the Carriage Protection.
From mayhem to meats, the Beefheads did it all
A side of justice with your revenge?
Can't read my...
They read it, you weep.
Dispatching justice will require style!
Explore 50% of the map
Finally got that Miner's Hat.
Soberly together again.
Make the graveyard safe to visit.
That buffalo wasn't even wearing the right hat.
Where do you think you're going?
So you had to shoot a few people, right? No big deal.
Now where is that deputy?
Sadly we have no knives, so you won't be running any faster.
Convince the Ticket Salesman that you're from the Transcontinental Express.
Bla, bla, bla. You just keep jabbering on.
This again? We know we just gave you a gun, but you might not want to shoot everyone.
Onwards, adventure awaits!