Gameplay
Following the premise of the previous installments in the franchise, the player is expected to fight off hostile spirits using the signature "weapon" of the series, the "Camera Obscura", along with the new Spirit Flashlight, a "torch" that uses moonlight to exorcise spirits. The player uses the Wii Remote and Nunchuk to aim the camera and flashlight, creating a more realistic and tactile experience. Not all spirits encountered are hostile, and the player will be able to tell the difference depending on the color of the glow of the on-screen Ghost Filament. As with the previous titles in the series some photos of "seals", or "mists" on doors, may offer clues to progressing further in the level. A new filament, the Item Filament, was added, used to direct the player towards items they may pick up. The more accurate the aim/distance to the item, the brighter blue the filament will glow.
The currency for upgrading in Zero: Tsukihami no Kamen is spirit crystals - blue for the Basic Functions and red for the lenses, for both Camera and Flashlight. There is a shop at which various healing items and films can be purchased for points.
The Ghost List returns from the previous three games, as does Mission Mode, although the ghost list cannot be completed because of a bug in the game. A new addition to the series is the Doll List; there are a total of 79 Hōzuki Dolls (鬼灯人形, Hōzuki Ningyō?) in red kimonos scattered around the island that, when photographed, unlock costumes and lenses after clearing the game.
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