Making a Game Boy game in 2025

I recently developed a custom Game Boy game, flashed it onto physical cartridges, and sold them at a local makers festival . The whole process was surprisingly straight-forward, and I think more professional developers should give it a try. As a career-long software guy, it felt rewarding to exchange real money for a tangible good. My game, Hot Dog Race, is based on the 4th-inning show at…