Meer, Alec (12 de octubre de 2012). «Patchy Like It’s 1998: Unreal 1 Updated»(en inglés). rockpapershotgun.com. Consultado el 21 de diciembre de 2012. «The list of fixes upon fixes are too long to mention here, but the essential purpose of v227 is to add DirectX9 and OpenAL support as well as mending everything that needs mending. Epic are aware of and permit the patch [...]».
