Faster horses:
When on a horse, hold the dash button while repedately jumping. If you time it right, you should go at about double the speed of the normal horse.
Unlimited Ammunition Hole.:
If you take a barrel of TNT from the badlands mine and place right against the chimney of the abandoned house in the badlands where the buffalo graze, when you blow the barrel up, it will open a hole in the ground with unlimited ammunition for every weapon.
Reed's armored horse and Macgruder's cannon shotgun:
Complete the story mode and all side missions and get 100% to unlock his horse and the cannon gun. The horse waits for you at Macgruder mine, and the gun is given to you.
Unlockables:
The following unlockables are available once you complete the required side quests.
Apache Shirt Complete all Hunting Missions
Silver Spurs Complete all Pony Express Missions
Dual Peacemakers Defeat Hoodoo Brown
.69 Ferguson Rifle Defeat Hollister
Cavalry Sword Defeat Reed
