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Karl Jeffrey

Also Known As

  • Karl Jeffery
  • Karl Jeffery

Game Credits


Overlord Minions (2009)   (CEO)
Disney's Herbie: Rescue Rally (2007)   (Climax Management)
ATV Offroad Fury: Blazin' Trails (2005)   (CEO)
Lizzie McGuire 3: Homecoming Havoc (2005)   (CEO)
Hot Wheels: Stunt Track Challenge (2004)   (C.E.O.)
Serious Sam (2004)   (CEO)
MotoGP 2 (2003)   (King)
MotoGP: Ultimate Racing Technology (2002)   (King)
Saban's Power Rangers: Time Force (2001)   (President)
SpongeBob SquarePants: SuperSponge (2001)   (President )
AirForce Delta (2000)   (President)
Battlezone: Rise of the Black Dogs (2000)   (President)
Warriors of Might and Magic (2000)   (President)
Populous: The Beginning (1998)   (President of Climax Group)
Diablo (1996)   (President)


Diner Dash: Sizzle & Serve (2007)   (Executive Producers)
Ghost Rider (2007)   (Executive Producers)
Silent Hill: 0rigins (2007)   (Executive Producers)
Crusty Demons (2006)   (Executive Producers)
MotoGP '06 (2006)   (Executive Producer)
Viva Piñata (2006)   (Lead Producer)
Who Wants to Be a Millionaire: Party Edition (2006)   (Executive Producer)
MotoGP: Ultimate Racing Technology 3 (2005)   (Executive Producer)
Sudeki (2004)   (Executive Producers)
Sim Theme Park (1999)   (President)


Back to the Future Part II (1990)   (Game Concept)
The Hunt for Red October (1990)   (Game design by)


Sky Shark (1987)   (Programming by)
Rampage (1986)   (Programming)


MotoGP 2 (2003)   (King)


The Hunt for Red October (1990)   (Special thanks to)
Chip's Challenge (1989)   (Special thanks to)
R-Type (1987)   (Thanks to)


Serious Sam: Next Encounter (2004)   (President)
Warcraft II: The Dark Saga (1997)   (President)

Developer Biography

Karl Jeffrey, CEO of The Climax Group, started out in the industry as a freelance video games programmer in 1987, developing games on Spectrum, Amstrad and SEGA console platforms for small UK publishing houses, in what was a new emerging marketplace. He established the studio Images Software circa 1988 and it was most likely continued as The Climax Group over time.

Last updated: Aug 30, 2010