John Carmack is a games writer, director, composer and artist who started the games industry career in 1900. Since then, Carmack has been working with Valve Software, Aspyr Media, Bethesda Softworks and SEGA. Carmack's first published game was Catacomb Armageddon. Next, John Carmack worked on Catacomb taking on the role of designer. Afterwards, John Carmack worked on Corridor 7: Alien Invasion developed by Capstone in 1994. Most recently, John Carmack was involved in the development of Quake (2021).