Gamebryo (formerly NetImmerse until 2003) is a game engine developed by Gamebase Co., Ltd. and Gamebase USA, that incorporates a set of tools and plugins including run-time libraries,[1] supporting video game developers for numerous cross-platform game titles in a variety of genres, and served as a basis for the Creation Engine.

Developer(s)Gamebase USA and Gamebase Co., Ltd.
Initial release
  • 1997 (1997)
  • 2003 (2003) (As Gamebryo)
Stable release
Gamebryo 3D and LightSpeed
Preview release
Gamebryo 4.0 / March 2012
Written inC++
Operating systemCross-platform
TypeGame engine


Numerical Design Limited (NDL) was founded in 1983, mostly doing contract work for government and CAD clients in the computer graphics sector, though also some game developers such as Interactive Magic.[2] This work led to the production of the NetImmerse game engine in 1997, evolving into Gamebryo by 2003.[3]

NDL was merged into Emergent Game Technologies (EGT, founded 2000, until May 2005[4]) in August 2005.[5] NetImmerse then evolved to Gamebryo LightSpeed. During 2009 the development staff of Gamebryo was downsized,[6][7] and by July 2010 the engineering office in Chapel Hill, North Carolina was closed. On November 11, 2010, assets of EGT were offered for acquisition, including its intellectual Property (IP), in whole or in part.[8]

In December 2010, Korea-based Gamebase Co., Ltd., a longtime partner of EGT, finalized the acquisition of EGT assets and technology, and established a newly capitalized U.S. company, Gamebase USA.[9] Gamebase USA is based in the Research Triangle Park region of North Carolina and is focused on continual development of the Gamebryo game engine. The newest version, Gamebryo 4.0, was introduced in March 2012.


The Gamebryo system is a suite of modular C++ libraries. Game developers can combine and extend the libraries to modify the engine for a particular game. Gamebryo's design emphasises a rapid prototyping approach aimed at an iterative development process.

The Gamebryo engine supports several deployment platforms including Microsoft Windows (DirectX 6-11), Mac, iOS, Android, Linux(OpenGL), Gamecube, Wii/WiiWare, PSX, PS2, PSP, PS3, PS4, Xbox, Xbox 360 and Xbox One.

Gamebryo 4.0 is the latest version of the engine, designed to merge the original Gamebryo system with its LightSpeed spin-off.


Gamebryo is used by numerous companies within the gaming industry. Below is a sample of titles that have used the engine:

Atlantica Online2008WindowsNdoorsNdoors
Florensia Online2008WindowsAHA EntertainmentGamesInFlames
BlackShot2008WindowsVertigo GamesVertigo Games, PlayOne Asia
Bully: Scholarship Edition2008Windows, Xbox 360, Wii, iOS, AndroidRockstar Vancouver, Rockstar New England, Rockstar TorontoRockstar Games
Catherine2011Windows, PS3, Xbox 360AtlusAtlus
Civilization IV2005Windows, MacFiraxis Games2K Games
Civilization Revolution2008Xbox 360, PS3, Nintendo DS, iOSFiraxis Games2K Games
Dance on Broadway2010Wii, PS3Longtail Studios & AiLiveUbisoft
Dawntide2011WindowsWorking As IntendedWorking As Intended
Defense Grid: The Awakening2008Windows, Mac, Xbox 360Hidden Path EntertainmentHidden Path Entertainment, Microsoft Studios
Divinity II2010Windows, Xbox 360Larian Studiosdtp entertainment, 1C, cdv Software Entertainment
Dragonica2009WindowsGravity GamesgPotato
Drift City2007WindowsNPLUTONHN Corporation
Defiance2013Windows, PS3, Xbox 360Trion Worlds, Human Head StudiosTrion Worlds
Eden Eternal2011WindowsX-LegendAeria Games
El Shaddai: Ascension of the Metatron2011PS3, Xbox 360Ignition EntertainmentIgnition Entertainment
Epic Mickey2010WiiJunction Point StudiosBuena Vista (Disney Interactive Studios)
Epic Mickey 2: The Power of Two2012Windows, Mac, Wii, Xbox 360, PS3Junction Point StudiosBuena Vista (Disney Interactive Studios)
Fallout 3[11]2008Windows, Xbox 360, PS3Bethesda Game StudiosBethesda Softworks
Fallout: New Vegas2010Windows, Xbox 360, PS3Obsidian EntertainmentBethesda Softworks
Ghost in the Shell: Stand Alone Complex - First Assault Online2015WindowsNexon Inc., NeopleNEXON Corporation
Grand Chase2003WindowsKOG StudiosLevel Up! Games
Gujian Qitan2010WindowsShanghai AurogonGamebar
LEGO Universe2010Windows, MacNetDevilWarner Bros. Interactive Entertainment
MapleStory 22015WindowsNexon Inc., ProjectMSNEXON Corporation
PowerUp Heroes2011Xbox 360UbisoftUbisoft
Ragnarok Online II: Legend of the Second2011WindowsGravity Corp.Gravity Corp.
Rift2011WindowsTrion WorldsTrion Worlds
Rocksmith2011Windows, PS3, Xbox 360UbisoftUbisoft
Rocksmith 20142013Windows, Mac, PS3, Xbox 360, PS4, Xbox OneUbisoftUbisoft
Sid Meier's Pirates!2004Windows, Xbox, Mac, PSPFiraxis Games2K Games
Shin Megami Tensei: Imagine2007WindowsCAVEAtlus, Aeria Games, Marvelous USA
Splatterhouse2010PS3, Xbox 360Namco Bandai GamesNamco Bandai Games
Tenchu: Shadow Assassins2008Wii, PSPAcquireFromSoftware, Ubisoft
The Elder Scrolls IV: Oblivion2006Windows, Xbox 360, PS3Bethesda Game StudiosBethesda Game Studios, Bethesda Softworks
Warhammer Online: Age of Reckoning2008WindowsMythic EntertainmentElectronic Arts
Warhammer Online: Wrath of Heroes2012WindowsBioWare MythicElectronic Arts
Way of the Samurai 32008Windows, PS3, Xbox 360AcquireSpike, Agetec, UFO Interactive Games, Rising Star Games, Ghostlight
Wheel of Fortune2009PS3Sony Computer EntertainmentSony Computer Entertainment
Wizard1012008Windows, MacKingsIsle EntertainmentKingsIsle Entertainment
Yars' Revenge2011Windows, Xbox 360, PS3Killspace EntertainmentAtari

NetImmerse games

Dark Age of Camelot2001WindowsMythic EntertainmentVivendi Universal Games
The Elder Scrolls III: Morrowind2002Windows, XboxBethesda SoftworksUbisoft Entertainment
Freedom Force2002Windows, MacIrrational GamesElectronic Arts
Futurama2003Xbox, PS2Unique Development Studios Sweden
Memorick: The Apprentice Knight2004XboxMicroïds
Prince of Persia 3D1999Windows, DreamcastRed Orb Entertainment
Simon The Sorcerer 3D2002WindowsHeadfirst ProductionsAdventure Soft
Star Trek: Bridge Commander2002WindowsTotally GamesActivision
Zoo Tycoon 22004WindowsMicrosoft Game Studios


  1. Pedersen, Roger E. (2003). Game Design Foundations. Wordware Publishing, Inc. p. 186. ISBN 9781556229732. Retrieved June 15, 2019.
  2. " ~ About NDL Overview". Archived from the original on June 11, 2003.
  3. " ~ History". Archived from the original on June 11, 2003.
  4. "EMERGENT Game Technologies evolves from". May 17, 2005. Archived from the original on July 13, 2005.
  5. "Emergent: About Emergent Game Technologies". Archived from the original on April 19, 2006.
  6. Alexander, Leigh (October 2, 2009). "Emergent Announces Restructuring, Layoffs". Gamasutra. Retrieved September 9, 2012.
  7. French, Michael (October 2, 2009). "Restructuring and job losses at Emergent". Develop. Retrieved September 9, 2012.
  8. Gerbsman, Steven R. (November 11, 2010). "Sale of Emergent's Assets". Gerbsman Partners Blog. Retrieved September 9, 2012.
  9. Alexander, Leigh (December 22, 2010). "Longtime Partner Gamebase Revealed As Gamebryo Buyer". Gamasutra. Retrieved September 9, 2012.
  10. Coleman, Stephen (March 14, 2005). "Sid Meier's Civilization IV Powered By Gamebryo". IGN. Archived from the original on February 11, 2007.
  11. "Bethesda Speaks On Gamebryo Engine, Final Fallout 3 DLC". Slashdot. July 9, 2009. Retrieved November 19, 2009.
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