The Intellivision Mattel Lock 'n' Chase video game cartridge, released in 1979 by Mattel Inc., is a classic piece of gaming history for the Mattel Intellivision platform. This game, Lock 'n' Chase, offers players an engaging and challenging experience as they navigate through the game board collecting keys to unlock doors. With its simple but addictive gameplay, this cartridge is sure to provide hours of entertainment for fans of retro video games.