Arduino is powerful enough to play old Atari-style games, like Asteroids, Tetris and others. The code is available online, using mini OLED screens, the classic Nokia 3310, or even a television with the TVout library. I have made a few myself, but I would really love to see how Ben tackles the challenges inherent to the platform. Here's some links to sites with code and schematics:
https://nootropicdesign.com/hackvision/
I have attached a pic of my prototype with an OLED screen
