Remember to always check the bottom right for codes when you buy a newspaper as that is were they are most likely to be. Enter the following case sensitive codes (without the quotes) to activate the corresponding cheat option. Enabling cheat codes will prevent you from saving the game or getting trophies.
Enter 'HE GIVES STRENGTH TO THE WEAK'
Enter 'THEY SELL SOULS CHEAP HERE'
Old School (Sepia Graphics):
Enter 'THE OLD WAYS IS THE BEST WAYS'
Enter 'THE ROOT OF ALL EVIL, WE THANK YOU!'
Enter 'ABUNDANCE IS EVERYWHERE'
Infinite Horse Stamina:
Enter 'MAKE HAY WHILE THE SUN SHINES'
Infinite Dead Eye:
Enter 'I DON'T UNDERSTAND IMNFINITY'
Horse (Spawn Horse):
Enter 'BEASTS AND MAN TOGETHER'
Lewis & Clark (ALL Areas Unlocked):
Enter 'YOU GOT YOURSELF A FINE PAIR OF EYES'
Diplomatic Immunity (No Bounty/Wanted Level):
Enter 'I WISH I WORKED FOR UNCLE SAM'
Sharp Dressed Man (Gentleman's Suit):
Enter 'DON'T YOU LOOK FINE AND DANDY'
Who? (Become a Nobody):
Enter 'HUMILITY BEFORE THE LORD'
Jack Attack (Turn John into Jack, his Son):
Enter 'OH MY SON, MY BLESSED SON'
Gun Set 1:
Enter 'IT'S MY CONSTITUTIONAL RIGHT'
Gun Set 2 (Buffalo Rifle, Sawed-Off Shotgun, Semi-Auto Pistol, Schofield Revolver, Winchester Repeater, Fire Bottle x3):
Enter 'I'M AN AMERICAN. I NEED GUNS'
Added by: Sanzano May 21st 2010, ID#5820