: Introduction to the Health Core , which governs how quickly health regenerates and must be maintained by eating [14].

: The mission begins in the abandoned mining town of Colter and proceeds to the Adler Ranch , which is seen intact only during this mission [11].

during the shootout with the O'Driscoll gang. Loot 6 or more items from the Adler Ranch. Complete the mission with at least 80% accuracy .

: Basics of drawing a sidearm (L1/LB), aiming (L2/LT), and shooting (R2/RT) [14].

: The mission introduces several fundamental features: