Complete 1 Arcade match.

Complete "An Appointed Time".

Complete Tumbleweed and Tesoro Azul Hideouts.

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

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

Use the customizable wheel once.

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

Score a goal while reversing

Complete a task for a Stranger.

You completed the game once acquiring only Typhon Powers and again acquiring only Human abilities.

You completed the game without ever acquiring any Typhon power or Human ability.

You killed every Human on or around Talos I.