In Red Dead Redemption for the PS3 and Xbox 360, there is an infinite dead eye cheat you can turn on for some extra fun. Once a cheat is turned on, you won’t be able to save your game and you won’t earn achievements, but you CAN go on a killing rampage!
To turn on cheats, go into Options, select Cheats and hit the Y button on the 360 or Triangle on the PS3 and enter the following code:
I DON’T UNDERSTAND IMNFINITY