The Game Developers Conference (GDC) is approaching, and GitHub is offering 20 expo passes through a contest to engage participants in gaming-related events like the Game Career Seminar, the Independent Games Festival, and the Game Developers Choice Awards. To enter, participants need to submit a form detailing their favorite gamedev-related GitHub repository by February 24th at 11 pm PST, with GitHub employees selecting the top 20 submissions. Winners will be notified via email and must arrange their own accommodation and transportation. Organized by Lee Reilly, Senior Program Manager at GitHub Developer Relations, the event encourages attendees to visit the GitHub booth during the conference.