Programmer Christopher Green has had a long career in the games industry, with a development history that included Amiga's Flight Simulators, Ultima Underworld, and Magic: The Gathering Online before ultimately working at and retiring from Valve—twice. Green had previously made a six-year attempt at retirement starting in 2017, but returned to Valve for another go in 2023.
Earlier this week, Green announced on his blog that he's once again had the "epiphany" that he "might actually enjoy some of those things that I hear retired people do," and is giving the whole end-of-career thing another go—for keeps this time. To mark the occasion, Green hosted a pair of AMAs on Reddit to share some of his thoughts on 45 years in game dev and a Valve tenure stretching all the way back to Half-Life 2.