Complete "Exodus in America".

Score a headshot on any enemy using Expert targeting mode.

Complete a task for a Stranger.

Complete "The Assault on Fort Mercer".

Capture a bounty alive.

Get 250 headshots in any game mode.

Complete "The Gates of El Presidio".

Complete "An Appointed Time".

Complete "At Home with Dutch".

Complete "And the Truth Will Set You Free".

Complete 20 story missions without switching to a new horse at a hitching post.

Complete "The Last Enemy That Shall Be Destroyed".

Kill 500 enemies with any rifle, repeater, or shotgun in any game mode.

Purchase a rare weapon from a gunsmith.

Complete "Remember My Family".

Obtain the Elegant Suit.

Complete "Curious Tales from Blackwater, USA" Survivor Mission.

Earn a Gold Medal Rank for a combat mission.

Find and kill a sasquatch.

Complete Tumbleweed and Tesoro Azul Hideouts.

Complete Fort Mercer and Nosalida Hideouts.

Complete Twin Rocks, Pike's Basin, and Gaptooth Breach Hideouts.

Complete 15 tasks for Strangers.

Earn $10,000.

Complete "Cure For Most of What Ails You" and "Get Back in that Hole, Partner" Survivor Missions.

Win over 2000 chips in a hand of Poker.

Obtain Legendary rank in any Ambient Challenge.

Complete "Mother Superior Blues Survivor Mission".

Complete "On a Pale Horse".

Get a ringer in a game of Horseshoes.

Attain highest Fame rank and either highest Honor rank or lowest Honor rank.

Uncover every location on the map.

Complete a game of Liar's Dice without losing a single die.

Kill 500 enemies with any pistol or revolver in any game mode.

Have every territory saved at the same time during the Undead Nightmare.

Break the Kentucky Saddler, the American Standardbred, and the Hungarian Half-bred.

Kill and skin 18 grizzly bears.

Complete all Tomahawk challenges.

Complete the Explosive Rifle Challenge.

Place a hogtied woman on the train tracks, and witness her death by train.

Kill the last buffalo in the Great Plains.

Attain 100% in the Game Completion stat.

Kill one of every animal species in the game in any game mode.

Attain Rank 5 in all Undead Nightmare Challenges.

Find and break a unicorn.

Find and kill a chupacabra.

Knock someone out in melee in every saloon in the game.

Use a pardon letter with more than $5000 bounty.

Evade the US Marshals while riding the Hungarian Half-Bred horse.

Kill 500 enemies with a mounted weapon in any game mode.

Attain 100% Game Completion statistic in Undead Nightmare.