Gray Matter Interactive

Gray Matter Interactive

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Former type	Subsidiary
Industry	Interactive entertainment
Fate	Merged into Treyarch
Successor	Treyarch
Founded	1994
Defunct	2005
Headquarters	Los Angeles, California, United States
Products	Cyberia Redneck Rampage Return to Castle Wolfenstein Call of Duty: United Offensive
Parent	Activision
Website	gmistudios.com

Gray Matter Interactive Studios, Inc. was a computer game developer founded in 1994 by Drew Markham, Greg Goodrich and Michael "Maxx" Kaufman, and acquired by Activision in January 2002. Gray Matter used to be known as Xatrix Entertainment, Inc..

Towards the end of development for Call of Duty 2: Big Red One in 2005, Gray Matter was merged into Treyarch, and the team responsible for titles like Return to Castle Wolfenstein is no longer recognized by that name. Some of the Gray Matter team still resides at Treyarch, although its founder and several executives from the former studio have found employment elsewhere.

Games developed as Xatrix Entertainment

Year	Title
1994	Cyberia
1995	Cyberia 2: Resurrection
1997	Redneck Rampage
1997	Redneck Rampage: The Early Years
1998	Redneck Rampage Rides Again
1998	Redneck Deer Huntin'
1998	Quake II Mission Pack: The Reckoning (expansion)
1999	Kingpin: Life of Crime

Games developed as Gray Matter

Year	Title	Notes
2001	Return to Castle Wolfenstein	Multiplayer was done by Nerve Software
2003	Trinity: The Shatter Effect	id Tech 3 engine game cancelled by Activision
2004	Call of Duty: United Offensive	Expansion of Call of Duty
2005	Call of Duty 2: Big Red One	Co-developed with Treyarch

External links

• Gray Matter website (archived)
• Screenshots & summary of Trinity premise