This ATARI 2600 game, Mountain King, produced by CBS Electronics, is a classic addition to any gamer's collection. Featuring challenging gameplay and a unique soundtrack, this game is sure to provide hours of entertainment. With a focus on exploration and puzzle-solving, players will navigate through a series of underground caverns in search of a valuable diamond. The game has been thoroughly tested and is guaranteed to work on your ATARI 2600 console. Don't miss out on the opportunity to own this piece of gaming history.