Eidos (EIDSY) , a developer of entertainment software, said Chief Financial Officer Jeremy Lewis resigned, effective immediately, to pursue other interests.

The company has started an external search for a new financial chief.

Eidos, London, has developed software, including the

Tomb Raider

series, for video game consoles such as the

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Sony PlayStation

and

Sega Dreamcast

.

Shares of Eidos were recently trading down 25 cents, or 5.6%, to $4.25.