Here is the full list of all 79 Westerado: Double Barreled achievements worth 1,000 gamerscore.
Retake our land! (Help the Indians takes back their land.)
You pretty much shot more people than actually exist, congratulations! (Killed 250 people.)
Now where is that deputy?
Lost Miner reunited with Miner's Wife.
Finally got that Miner's Hat.
Explored all the things (more than 120% of the map.)
It speaks louder than words. (Pulled your weapon 50 times during gunversations.)
Two thousand dollars in the bank. It's a lot of money. Takes me three years to earn it!
Explored more than 100% of the map.
Helped the Indians get past the Military Blockade.
Freed all of the Buffalo enslaved by the Ranchers.
Obviously you had to shoot all those people, they were coming right for you! (Killed 100 people.)
Explored 100% of the map.
Where do you think you're going? (Shot 10 empty bottles.)
Explored 50% of the map.
So you had to shoot a few people, right? No big deal. (Killed 25 people.)
Don't go thinking you're Annie Oakley, those three hatshots in a row were just a fluke.
That buffalo wasn't even wearing the right hat. (Killed 10 buffalo.)
Made the graveyard safe to visit.
This again? We know we just gave you a gun, but you might not want to shoot everyone. (Shot Uncle.)
Bla, bla, bla. You just keep jabbering on. (Had 100 gunversations.)
Soberly together again.
Convinced the Ticket Salesman that you're from the Transcontinental Express.
Sadly we have no knives, so you won't be running any faster. (Got a hatshot.)
Onwards, adventure awaits!
Get shot by your brother.
Kill 5 lizards.
Unlock all playable Characters.
Buy an outfit.
Beat the game without getting shot.
Beat the game with less than 20 kills.
Beat the game in less than an hour.
Beat the game as the Gunslinger.
Beat the game as the Brother.
Beat the game as the Sister.
Beat the game as the Indian.
Gather all clues about the murderer
Have 5 drinks.
Complete 5 wanted posters.
Win 5 hands of poker.
Lose 5 rounds of poker.
Convince the Beefhead Buffalos to follow you.
Unfold the secret of the animal statues.
Find the Movie Set.
Unlock all Weapons.
Unlock all hats at the Haberdasher.
Kill your co-starring rivals.
Your Dad was the Murderer.
You were the Murderer.
Your family wouldn't give up their land.
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.
Get the trains running again.
Complete the Oil Tycoon's quest line.
Make peace between Indians and Military.
Takeover the Oil Tycoon's Mansion with Rancher Bob.
He has such great personalities.
Help the Sheriff'regain his courage.
Sheriff's worse than when you met him.
Make hats with Tressabell.
Help the Sheriff win back Tressabell.
Help Rancher Bob Johnston win over Tressabell.
Get the Beefheads jobs as Deputies.
Help the Beefhead Bulls find employment.
The banditos are back to causing trouble.
It sh*ts money.
Help the ghost miner find his pickaxe.
Maybe the Miner should stay lost.
Playing as the sister get the river in Santa Anna flowing again.
Make the Sheriff help you 3 times.
Help the Ranchers make a franchise.
Help the Union prepare for battle.
Buy the Riverside Mansion.
Talk to Oilrig Manager at every drilling location.