Chalk, Andy.«John Carmack Argues Against Native Linux Games».The Escapist,6 febrer 2013. Arxivat de l'original el 13 de gener 2014.[Consulta: 29 setembre 2013].«He reiterated his support for improving emulation as the "proper technical direction for gaming on Linux," noting that native ports don't do much that a good emulator wouldn't be able to handle.»
Chalk, Andy.«John Carmack Argues Against Native Linux Games».The Escapist,6 febrer 2013. Arxivat de l'original el 13 de gener 2014.[Consulta: 29 setembre 2013].«He reiterated his support for improving emulation as the "proper technical direction for gaming on Linux," noting that native ports don't do much that a good emulator wouldn't be able to handle.»