Andover, Mass. - Mad Doc Software, a privately held developer of video games, has been acquired Rockstar Games, the unit of Take-Two Interactive (NASD: TTWO) that created the "Grand Theft Auto" franchise.

Financial terms of the deal were not disclosed.

Founded in 1999, Andover, Mass.-based Mad Doc Software provides game development services, with a particular focus on artificial intelligence and networking.

The studio most recently worked with Rockstar Games on the Xbox 360 version of "Bully: Scholarship Edition."

As a result of the acquisition, Rockstar has established Rockstar New England.

Rockstar parent company Take-Two is currently in the midst of trying to fend off a hostile takeover by fellow game publisher Electronic Arts (NASD: ERTS).

Related Links:
http://biz.yahoo.com/bw/080404/20080404005671.html?.v=1

http://www.rockstargames.com

http://www.maddocsoftware.com