Fatal Frame 2: Crimson Butterfly Cheats

Completion bonuses:
Finish the game under the easy or normal difficulty settings to view the first ending and unlock the "Mission Mode", "Gallery", "Ghost List" options and the "Feel" and "Expand" camera abilities. Additionally, a new game can be started with the current items, maps, and camera abilities.

Finish the game under the normal difficulty setting to also unlock the "Hard Mode" options, two alternate costumes (red/blue kimono and dark blue kimono), and glasses for Mio.

Finish the game under hard difficulty to view the alternate ending and unlock the "Nightmare Mode" and "Album" options, the true ending sequence, more alternate costumes (short kimono and Yae and Sae kimono) and the stop lens.

Finish the game under the nightmare difficulty setting to view the alternate ending, two more alternate costumes (leather), the crush lens, development documents, and the "Promise" ending sequence.
User Cheat by Shadow

Finish all missions in mission mode to unlock the maid costume and glasses for Mayu.

Finish all missions in mission mode with an "S" rank to unlock two additional costumes.
User Cheat by Girlygamer

After finishing the Ghost List you will unlock set-up information.

Easy Fatal Frame shot:
When fighting a ghost, let it catch Mayu. The ghost will grab Mayu and you will have a chance to take a Fatal Frame shot.