Young Alex Costume
     At  the press start screen if you input this code you will unlock
the young Alex Costume.

Unlocks Young Alex Costume:
     [Up], [Up], [Down], [Down], [Left], [Right], [Left], [Right], 
[Circle]


Endings *SPOILERS*
Here is what Alex has to do to unlock the endings in the game.

"Bogeyman" Ending: Don't forgive your father, don't kill your mother, 
           and don't save Wheeler.

"Drowning" Ending: Don't forgive your father, but do kill your mother.

"Good" Ending: Forgive your father and kill your mother out of mercy.

"Hospital" Ending: Forgive your father and don't kill your mother.

"UFO" Ending: Similiar to the Bogeyman ending. Don't forgive your 
              father, don't kill your mother, BUT do save Wheeler.

Extra Costumes
     Unlock these costumes for Alex after beating these certain endings.

Bogeyman (Pyramid Head Helmet): Unlocked by getting the "Bogeyman" Ending

Deputy Alex: Unlocked by getting the "UFO" Ending

Order Soldier Outfit: Unlocked by getting the "Drowning" Ending

Orderly Alex: Unlocked by getting the "Hospital" Ending

Trucker Alex: Unlocked by getting the "Good" Ending