Join our Discord to chat with fellow friendly gamers and our knowledgeable contributors!

John O'Sullivan

Game Credits


The Great Green Mouse Disaster (1996)   (Animators)

Quality Assurance

Halo: Combat Evolved - Anniversary (2011)   (Test Manager)
Mass Effect (2007)   (Test Leads)
Dungeon Siege II (2005)   (Microsoft Ireland - Test Lead)
Sudeki (2004)   (Test Leads)
Crimson Skies: High Road to Revenge (2003)   (Test Lead)
Azurik: Rise of Perathia (2001)   (Lead Localization Tester)


Halo 4 (2012)   (EMEA Localization)
Kinect Star Wars (2012)   (Localization Test)
Microsoft Flight (2012)   (Localization)
Halo Wars (2009)   (Test Manager)
Fable II (2008)   (Localization)
Too Human (2008)   (Test Lead)
Microsoft Flight Simulator X: Acceleration (2007)   (Localisation)
Shadowrun (2007)   (Europe Localization)
Age of Empires III: The WarChiefs (2006)   (Localisation (Ireland))
Age of Empires III (2005)   (LOC / UX Ireland)
MechAssault 2: Lone Wolf (2004)   (Localization)
Rise of Nations (2003)   (Localisation Dublin)
Tao Feng: Fist of the Lotus (2003)   (Localization - Dublin)
Zoo Tycoon: Complete Collection (2003)   (Ireland Localization Team)
Age of Mythology (2002)   (Localization (Europe))
Asheron's Call 2: Fallen Kings (2002)   (Localization (Ireland))
Dungeon Siege (2002)   (Ireland)
MechAssault (2002)   (Localization, Ireland)
MechCommander 2 (2001)   (Ireland Localization)
MechWarrior 4: Black Knight (2001)   (Localization)
Zoo Tycoon (2001)   (Group Program Manager Ireland)


Zoo Tycoon: Complete Collection (2003)   (Special Thanks to the Beta Test Team (Ireland))
The F.A. Premier League Football Manager 2000 (2000)   (Southampton FC)
The F.A. Premier League Football Manager 2000 (1999)   (Southampton FC)


MechWarrior 4: Vengeance (2000)   (Localization)

Developer Biography

There is no biography on file for this developer.