SwiftBlue, LLC describes itself as a small digital product studio that designs, ships and grows apps for iOS, Android and the web, and lists TURN LEFT! (“The one-button stock car racer”) among its live products. Its site says it is made in Boston. The game's logo links to swiftblue.com; it was posted on Hacker News by the user dberube, who is not named on the studio's site.
A one-button, NES-style top-down stock car racer in the browser: hold to dive inside, release to drift high. The developer says 100% of the code was written by Claude Fable 5.