<!--Malia Whileque Unreal Engine 3 hasfoi beenunha quitecontorna openaberta forpara moddersa torealización workde withmods, thea abilitycapacidade tode publishpublicar ande sellvender gamesxogos madefeitos usingcon UE3este wasmotor restrictedestaba torestrinxida licenseespara ofaqueles theque enginefosen concesionarios da licenza do motor. HoweverPorén, inen Novembernovembro de 2009, Epic releasedGames apublicou freeunha versionversión of UE3'sdo [[Software development kit|SDK]],calledde Unreal Engine 3 thechamada Unreal Development Kit (UDK), thatdispoñible ispara available to theo generalpútlico publicxeral.<ref>{{cite web|url=http://www.ign.com/articles/2009/11/05/epic-games-announces-unreal-development-kit-powered-by-unreal-engine-3|title=Epic Games Announces Unreal Development Kit, Powered By Unreal Engine 3|publisher=[[IGN]]|date=November 5, de novembro de 2009|accessdate=2014-09-14 de setembro de 2014|author=IGN Staff}}</ref><ref>{{cite web|url=http://www.pcgamer.com/unreal-engine-4-tools-and-source-code-now-available-for-19-monthly-subscription/|title=Unreal Engine 4 tools and source code now available for a $19 monthly subscription|work=[[PC Gamer]]|publisher=[[Future plc]]|date=March 19, de marzo de 2014|accessdate=February 9, de febreiro de 2015|first=Tyler|last=Wilde}}</ref> En decembro de 2010 nunha actualización do UDK engadiuse soporte para a creación de xogos e aplicacións de iOS.<ref>{{cite web|url=http://www.ign.com/articles/2010/12/16/epic-games-releases-unreal-development-kit-with-ios-support|title=Epic Games Releases Unreal Development Kit With iOS Support|work=[[IGN]]|publisher=[[Ziff Davis]]|date=16 de decembro de 2010|accessdate=14 de setembro de 2014|author=IGN Staff}}</ref><ref>{{cite web|url=http://epicgames.com/news/epic-games-releases-december-2010-unreal-development-kit-beta-with-ios-supp|title=Epic Games releases December 2010 Unreal Development Kit Beta with iOS Support|publisher=[[Epic Games]]|date=16 de decembro de 2010|accessdate=9 de febreiro de 2015|author=Epic Games}}</ref>
The December 2010 UDK release added support for creating iOS games and apps.<ref>{{cite web|url=http://www.ign.com/articles/2010/12/16/epic-games-releases-unreal-development-kit-with-ios-support|title=Epic Games Releases Unreal Development Kit With iOS Support|work=[[IGN]]|publisher=[[Ziff Davis]]|date=December 16, 2010|accessdate=September 14, 2014|author=IGN Staff}}</ref><ref>{{cite web|url=http://epicgames.com/news/epic-games-releases-december-2010-unreal-development-kit-beta-with-ios-supp|title=Epic Games releases December 2010 Unreal Development Kit Beta with iOS Support|publisher=[[Epic Games]]|date=December 16, 2010|accessdate=February 9, 2015|author=Epic Games}}</ref> As of the September 2011 release, iOS, OS X and Windows platforms all support UDK-created games. -->