Kill or capture Nasty Dan

Kill or capture El Loco

Kill or capture Handsome Harry

Kill or capture Cactus Kid

Kill all the bounties in one game

Capture all the bounties in one game

Win a showdown

Shoot six enemies in a row without missing or reloading

Shoot twelve enemies in a row without missing or reloading

Finish the game ( single player )

Complete the game in multiplayer mode

Complete a play through without killing any innocents