Videogamer writes: "Adult Wii games need an 'X-Factor' to sell, the producer of Resident Evil 5 and Wii exclusive Resident Evil: The Darkside Chronicles has said.

Following the relatively poor chart positions of high-profile Wii games The House of the Dead: Overkill, MadWord and No More Heroes, a perception has arisen that adult games struggle to sell on Nintendo's family-centred console."

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