Gray Matter Interactive

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Gray Matter Interactive Studios, Inc.
Xatrix Entertainment, Inc. (1993–1999)
IndustryVideo games
FateMerged into Treyarch
FoundedMarch 25, 1993; 26 years ago (1993-03-25)
  • Drew Markham
  • Barry Dempsey
Defunct2005 (2005)
ParentActivision (2002–2005)

Gray Matter Interactive Studios, Inc. (formerly Xatrix Entertainment, Inc.) was an American video game developer based in Los Angeles, California. Founded as Xatrix Entertainment on March 25, 1993, by Drew Markham and Barry Dempsey, the company was renamed Gray Matter Interactive on June 17, 1999, and acquired by Activision on January 14, 2002.[1][2][3] In 2005, the studio was merged into Treyarch, another California-based Activision studio.

Games developed[edit]

Year Title
as Xatrix Entertainment
1994 Cyberia
1995 Cyberia 2: Resurrection
1997 Redneck Rampage
Redneck Rampage: The Early Years
1998 Redneck Rampage Rides Again
Redneck Deer Huntin'
Quake II Mission Pack: The Reckoning
1999 Kingpin: Life of Crime
as Grey Matter Interactive
2001 Return to Castle Wolfenstein
2004 Call of Duty: United Offensive
Cancelled Trinity: The Shatter Effect[4]


  1. ^ "Activision Acquires Rest Of Gray Matter Interactive". The Wall Street Journal. January 14, 2002. Retrieved February 18, 2018.
  2. ^ Walker, Trey (January 14, 2002). "Activision grabs Gray Matter". GameSpot. Retrieved February 18, 2018.
  3. ^ Becker, David (January 14, 2002). "Activision buys game developer". CNET. Retrieved February 18, 2018.
  4. ^ Adams, Dan (May 9, 2003). "Trinity Interview". IGN. Retrieved February 18, 2018.