Uncover every location on the map in Single Player.

Purchase a rare weapon from a gunsmith.

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

Complete "At Home with Dutch".

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

Complete Tumbleweed and Tesoro Azul Hideouts in Single Player.

Complete "The Assault on Fort Mercer".

Complete a task for a Stranger.

Killed the Vault Boss

Completed all missions in the Rust Commons

Killed Flynt

Reached proficiency level 10 with any weapon type