In this 2016 GDC Europe talk, id Software co-founder and Doom co-creator John Romero discusses the company's early days and the programming principles that gave birth to games like Doom and Quake. GDC talks cover a range of developmental topics including game design, programming, audio, visual arts, business management, production, online games, and much more. We post a fresh GDC video every weekday. Subscribe to the channel to stay on top of regular updates, and check out GDC Vault for thousands of more in-depth talks from our archives. Follow us on Twitter Check out our Facebook page for GDC exclusives Visit our site: