In order to obtain a 100% completed game, the following tasks must be done.
Complete the following achievements to unlock Xbox Live Gamerscore points.
Create an account on the and link it to your Xbox Live or PSN account to unlock he following cheats.
Also, the following cheats are unlocked by completing Social Club Challenges after you have created an account.
Take out a target's legs using a throwing weapon, such as the throwing knives, or tomahawk, or even a pistol. Then, move in close, aim at the target, and press R2 Â or RT Â Xbox 360Â Â as you normally would do for a kill. If done correctly, Marston should perform a special kill for the position of them being on their knees. Note: This works with pistols, throwing knife, tomahawk, shotgun, and rifle (not explosive). Note: This only works with people who have a gun, and that they will fire back if they are given the chance to.
Complete the indicated ask to unlock the corresponding bonus.