I never played the Atari 2600, but the art work is nice -- so here is the Atari 2600 Gravitar Cartridge packaging.
Many thanks to Atariage.com for permission to use the scans on the site.
Visit the Atariage.com - Atari Gravitar 2600 web page
also the AtariProtos.com: - Atari Gravitar 2600 web page
