Enter "735S653J" as a code under the "Excusive Content" option at the main menu. If you entered the code correctly, a message will appear. This will unlock extra money.

Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Arkansas Fried Rooster (10 points): Blow up 10 chickens with dynamite.
Magnificent Thirteen (30 points): Unlock all classes (ranked only).
High Noon (5 points): Kill 4 enemies between 12:00 p.m. and 12:15 p.m. (local time, ranked play counts).
Well Invested (10 points): Buy 20 second level and 10 third level upgrades (ranked only).
Drive-By (15 points): Kill a total of 5 enemies while horseback (ranked play counts).
Unforgiven (15 points): Kill 10 enemies as an invincible wanted (ranked only).
Welcome to the Frontier (10 points): Finish a full Wild West Legends game (ranked only).
Crime Does Pay (10 points): Win 5 rounds as an Outlaw (ranked only).
Tin Star (10 points): Win 5 rounds as a Lawman (ranked only).
Been There, Done That (15 points): Play a full Wild West Legends game on every level (both match and revenge match count; ranked only).
99 Scalps (25 points): Deliver 99 headshots (ranked play counts).
Jack of All Trades (30 points): Play a full game with each class (ranked only).
Goldrush! (50 points): Collect a total of $1 000 000 (ranked play counts) to unlock golden weapons in multiplayer.
Crowbait (40 points): Finish the game on at least easy difficulty.
Between Hay and Grass (40 points): Finish the game on at least medium difficulty.
Curly Wolf (40 points): Finish the game on hard difficulty.
Act I (30 points): Complete Act I.
Act II (30 points): Complete Act II.
Act III (30 points): Complete Act III.
Act IV (30 points): Complete Act IV.
Ray’s Story (30 points): Finish every chapter playing as Ray.
Thomas’ Story (30 points): Finish every chapter playing as Thomas.
D-Day (15 points): On chapter I, destroy all rafts before they land.
Mayhem (15 points): On chapter III, kill 20 armed enemies while riding the stagecoach.
Quite a Ride (15 points): On chapter IX, on the lift, destroy everything that is thrown at you.
Man of the Hood (15 points): On chapter XII, playing as Thomas, use only bow throughout the whole level.
Gotta Catch’em All (40 points): Collect all secrets.
Boy Scout (5 points): Finish one side quest.
Shield of Hope (20 points): Finish all side quests.
Quick Hands (10 points): Kill 7 people during one concentration mode.
Frag Steal (10 points): Kill all enemies in a single Cooperative Concentration Mode.
Untouchable (20 points): Finish any chapter, except for VI and VIII, without getting severely wounded.
Fireworks (10 points): Shoot 2 enemy dynamite sticks in mid air.
None Shall Hide (5 points): Shoot an enemy through a wall.
Mad Carpenter (5 points): Kill 5 enemies with a chair.
Pistol Expert (25 points): Kill 250 People using pistols (ranked play counts).
Rifle Expert (25 points): Kill 250 People using rifles (ranked play counts).
Shotgun Expert (25 points): Kill 250 People using shotguns (ranked play counts).
Forgiveth Me, Lord (50 points): Kill 2000 enemies (ranked play counts).
Rowing-Race Cheater (10 points): On chapter XI, kill all the Indians during canoe chase.
Sharpshooter Distraction (15 points): On chapter IV, playing as Ray, kill sharpshooters without Thomas’ help.
Sharpshooter Destruction (15 points): On chapter IV, playing as Thomas, kill sharpshooters in 10 seconds.
Catcher in the Rye (15 points): On chapter II, in the field, kill enemy soldiers using knives without being detected.
Yankee Cow (15 points): On chapter II, don’t kill the cow.
Vindicator (15 points): Kill a total of 30 enemies with movable gatling.
On the Right Track (30 points): Collect a total of $200 000 (ranked play counts) to unlock silver weapons in multiplayer.
Old West Legend (40 points): Finish the game on very hard difficulty.