From Wikipedia This video game cartridge simulates the standard game of Blackjack. One or several players play against the computer which acts as the house. Each player starts with $500 and can bet up to $250 per game. Winning rewards players with a song and 1.5 times the bet. User summary The game cartridge was manufactured for the VideoBrain, a 1977 (fairly unsuccessful) entrant in the personal computer market manufactured by Umtech Incorporation.