Full list of all 95 Red Dead Redemption achievements worth 1,500 gamerscore. It takes around 60-80 hours to unlock all of the achievements in the base game.
The base game contains 48 achievements worth 1,000 Gamerscore, and there are 4 DLC packs containing 47 achievements worth 500 Gamerscore.
Kill 500 enemies with a mounted weapon in any game mode.
Use a pardon letter with more than $5000 bounty in Single Player.
Evade the US Marshals while riding the Hungarian Half-Bred horse in Single Player.
Knock someone out in melee in every saloon in the game in Single Player.
Place a hogtied woman on the train tracks, and witness her death by train.
Earn a Gold Medal Rank for a combat mission in Single Player.
Attain 100% in the Single Player Game Completion stat.
Complete "Remember My Family".
Complete "The Last Enemy That Shall Be Destroyed".
Complete "And the Truth Will Set You Free".
Complete "At Home with Dutch".
Kill one of every animal species in the game in any game mode.
Break the Kentucky Saddler, the American Standardbred, and the Hungarian Half-bred.
Complete 15 tasks for Strangers.
Reach the top rank for multiplayer experience.
Kill the last buffalo in the Great Plains in Single Player.
Win over 2000 chips in a hand of Poker.
Obtain Legendary rank in any Single Player Ambient Challenge.
Kill and skin 18 grizzly bears.
Uncover every location on the map in Single Player.
Attain highest Fame rank and either highest Honor rank or lowest Honor rank.
Complete "An Appointed Time".
Complete "The Gates of El Presidio".
Complete Fort Mercer and Nosalida Hideouts in Single Player.
Complete Tumbleweed and Tesoro Azul Hideouts in Single Player.
Earn $10,000 in Single Player.
Purchase a rare weapon from a gunsmith.
Complete Twin Rocks, Pike's Basin, and Gaptooth Breach Hideouts in Single Player.
Complete "The Assault on Fort Mercer".
Complete a game of Liar's Dice without losing a single die.
Complete 20 story missions without switching to a new horse at a hitching post.
Complete a task for a Stranger.
Capture a bounty alive.
Obtain the Elegant Suit.
Score a headshot on any enemy using Expert targeting mode.
Get a ringer in a game of Horseshoes.
Get from Blackwater to Escalera before sundown in a public Free Roam session.
Complete "Exodus in America".
Get 10 assists in a single Hideout in a public Free Roam session.
Be on the winning team for four consecutive victories in any team based game in public matches.
Be the top scoring player in any three consecutive FFA games in public matches.
Kill 500 enemies with any pistol or revolver in any game mode.
Get 250 headshots in any game mode.
Become a Public Enemy for 10 minutes and escape alive in a public Free Roam session.
Kill 500 enemies with any rifle, repeater, or shotgun in any game mode.
Complete all Hideouts in a single public Free Roam session.
Create a posse and get the maximum number of members.
Kill a Rockstar or someone with this achievement in a public multiplayer match.
Gold medal all Advanced Co-Op missions.
Complete all Advanced Co-Op missions.
Achieve a kill chain of 10 or more in any Advanced Co-Op mission.
Complete all Co-Op missions.
Gold medal all Co-Ops missions.
Complete a Co-Op mission.
Complete a Co-Op mission with just 2 people.
Gold medal any Co-Op mission.
Complete a Co-Op mission without anyone dying.
Complete a Co-Op mission without dying.
Complete the Explosive Rifle Single Player Challenge
In a full Multiplayer Liar's Dice game, win without losing a single die
In a full Multiplayer Poker game, beat the table when blinds are at maximum
In a Multiplayer Poker game, win a hand by forcing someone with a better hand to fold
In a Multiplayer Poker game, win a hand on the last card when you were losing prior
In a Multiplayer Liar's Dice game, win with only one die left
In a single Multiplayer Liar's Dice game, successfully make a spot-on call
During a Grand Prix, finish a race in first after placing last in the previous race.
Get first place in all races in any Grand Prix
Finish a single race without getting shot or killed, and without shooting a bullet
Successfully complete either round of a Stronghold map without dying
Attain over 50,000 posse points in a single Free Roam session
Attain over 9,001 points in a single Free Roam session
Get a triple kill while on the attacking team in Stronghold
While on defense, do not allow the attacking team to capture any of their objectives
Attain 100% Game Completion statistic in Undead Nightmare.
Attain Rank 5 in all Undead Nightmare Challenges.
Find and break a unicorn.
Find and kill a chupacabra.
Complete "On a Pale Horse".
Complete "Mother Superior Blues" Survivor Mission.
Have every territory saved at the same time during the Undead Nightmare.
Complete "Cure For Most of What Ails You" and "Get Back in that Hole, Partner" Survivor Missions.
Find and kill a sasquatch.
Complete "Curious Tales from Blackwater, USA" Survivor Mission.
Fight off 8 unique players during your time on top during Land Grab in Multiplayer Free Roam.
Make it to wave 15 in Undead Overrun Gametype in Multiplayer.
Complete all Tomahawk challenges in Single Player.
Reach level 50 and pass into Legend.
Double capture 3 times in a single Gold Rush map.
Kill 3 or more players in a standoff or showdown.
Get 25 Deadeye kills with Red.
Get 25 Dynamite kills with Pig Josh.
Come back from a 2-0 deficit and win a Hold Your Own game.
Get 3 kills with knives or throwing knives in a single competitive match.
Get a kill greater than 35 yards with a Tomahawk.
Kill 5 players via headshot in a single Shootout or Gang Shootout.