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