The extra games of the Odyssey Magnavox was also selling extra games to the customers. Most of the times, they were sold in packs of six games, but they were available separately. The games were packed in a rectangular box, and six games would be sold in a carton box. Each game came with its accessories, and sometimes an additional cartridge when not using one of the cartridges sold with the Odyssey.
Percepts is the only one known to have been sent for free.
The exact number of games manufactured is still unknown. But it could be one of the other extra games that are still rumored to exist but not found yet as an extra game. The game boards, and a screen overlay. The game board, the playing cards, and a screen overlay.