Take-Two Interactive Software ( TTWO), a maker of video games such as the Grand Theft Auto series, has acquired Illusion Softworks, a game developer based in the Czech Republic. Financial terms weren't disclosed. Established in 1997, Illusion Softworks is the creator of franchises that include Mafia, Hidden & Dangerous and Vietcong. Illusion Softworks has about 200 employees and will join Take-Two's 2K Games publishing label as its newest studio, 2K Czech. New York-based Take-Two closed down 7 cents at $16.45.