Select "Profile" from the main menu, then choose "Name" and enter any of the following names to active the corresponding cheat:

quivira - Accelerated firing

campbell - Increased ammuntion capacity

barton - Infinite ammunition in Story Mode

hunter - Unlocks all chapters in quick play mode

nedwhite - Unlocks all weapons in Story Mode (expect Final Weapon)

allies - Unlocks Jenny as a Playable Character

Defeat Magruder to unlock the Cannon Nock Gun and the Seven Barrel Nock Gun.

These skins are unlocked by beating the high scores on each of the Quick Play challenge games.

Dodge Whore - Score exactly 10 points on Fire Fight

Hollister Thug 1 - Score 150 or more points on Quail Hunt

Hollister Thug 2 - Score 100 or more points on Hold The Fort

Port - Score 100 or more points on Suppress The Outlaws

Red Hand Thug - Score 40 or more points on Bear Hunt

Rude - Score 50 or more points on Hollister's Dynamite Run

Enter BADLANDS as a profile name to unlock a bonus deathmatch level.

These are the scores needed to unlock the next challenge in the Quick Play section.

Bear Hunt - Score 60 or more points on Suppress The Outlaws

Fire Fight - Score 35 or more points on Bear Hunt

Hold The Fort - Score 125 or more points on Quail Hunt

Hollister's Dynamite Run - Score 7 or more points on Fire Fight

Suppress The Outlaws - Score 75 or more points on Hold The Fort