Complete the following tasks to unlock PlayStation 3 trophy rewards.

Trophy	How to unlock
Bang! (Bronze)	Hit 6 shots in a row without missing or reloading. (single player)
Bang! Bang! (Silver)	Hit 12 shots in a row without missing or reloading. (single player)
Bonnie and... (Bronze)	Get to the treasure with Buckskin Bonnie. (single player)
Cowboys and Indians (Bronze)	Get to the treasure with shooting beaver. (single player)
Fool's Gold (Gold)	Get the "good" ending. (single player)
Old Dog, same tricks (Gold)	Defeat Mad Dog. (single player)
Saddle up, partner (Silver)	Beat Mad Dog in multiplayer.
Snake oil sales are up (Bronze)	Get to the treasure with the Professor. (single player)
Still got it (Bronze)	Hit all 3 practice targets. (single player)