Earlier quoted context omitted.
He was a programmer at RAD game tools, which is industry standard for game tools. He also was the principal game engine engineer on The Witness, and has probably worked on other 3d games in the industry.
> principal game engine engineer on The Witness Is that true? He is listed in the credits under "Additional contributions in programming by", and in his blog posts about the "Walk Monster" problem, his role sounds like that of an independent contractor brought on late in the project.
In any case, he has experience in working on and shipping actual 3D game engine code.