Hunter: The Reckoning Cheats for GameCube

LEFT,LEFT,L,R,A,A

Enter the following codes during gameplay to unlock the corresponding effect. When entering the code the directional buttons are pressed on the D-pad and not on the analog stick.
Unlock Unlimited Ammo:
Left, Left, R, L, A, A .
Unlock Best Version of ALL Weapons:
Left, Left, R, R, B, B .

To beat the first level you are going to need Judge. Well I did with his rapid cross bow and his powerfull sword you won't lose!!!!!!!
That is if you got skills??

Get All Weapons
During game-play press the following combination to get all weapons:
Up, Down, X, Y, Y.
Nightmare mode:
To unlock the Nightmare Mode option at the Special Features screen
successfully complete the game.
Alternate Ending Sequence:
To unlock the good ending save at least 50 innocents before returning to the
train.

While playing press up, down, x, y, y, do this before picking up any special weapons.

Go back to the train only after you have saved minimum 50 people - then you shall see a different ending!