I was a little let down that the solution to not having batteries was just a few solar cells. If you're looking for something along the same theme, it's not a "

I was a little let down that the solution to not having batteries was just a few solar cells. If you're looking for something along the same theme, it's not a "Game Boy" but a Youtuber built a handheld powered by radioactive tritium. https://hackaday.com/2021/07/14/tetris-handheld-powered-by-tritium-cell-eventually/ https://hackaday.com/2021/07/14/tetris-handheld-powered-by-t...