Unfortunately, this is widespread. When I graduated, learning this was a common practice at the few companies with hiring power here was one reason I chose the indie route. If you're in a position to do so, push back against these! We're a creative medium, and our personal work should remain ours.
Chris KerrNEW: I spoke with multiple video game developers and a U.S. employment lawyer to learn more about restrictive side clauses that often prevent employees at major companies from pursuing hobbyist work or personal projects. In an industry renowned for creativity, why are we stifling it?