Evil Dead: A Fistful of Boomstick Cheats
Finish a level to unlock pre-production art for that area in the gallery in the "Extras" menu.
Finish a level in story mode to unlock the same level in arcade mode.
Crystal order at the museum
The order to insert the crystals is red, yellow, blue, green.
How to beat Nathaniel Payne
Use your shovel like a baseball bat. Hold X and release when he throws a chunk of rock at you. Do not get the rock confused with the energy ball that is thrown.
How to beat Eldridge
Wait until he is walking toward a barrel and gets close to it. Then, shoot the barrel and it will explode, flipping him over. Start shooting him after he flips over. Later in the fight, he will start charging you. When this happens, run along the walls until he runs into one, then start shooting him.
How to beat Trisha
When she opens her mouth, throw a piece of dynamite into it.