Visit RelationalFramework and play Atari 2600 SuperCharger games in your browser, and write them in classic BASIC with the free IDE on the site.
You can program Atari 2600 games in BASIC with enhanced graphics and sound thanks to the SuperCharger, a 6K RAM board with an audio cassette interface for loading games that made the 128-byte Atari 2600 Video Computer System more like contemporary home computers such as the VIC-20 that had 5K of RAM.