The game - Bonza - Dendy | NES

A unique case where you can turn your Dandy into a real money slot machine. The game is a full-fledged one-armed bandit type slot machine where you can bet, spin the reel and win money. The cartridge of this game contains a slot for plastic smart cards, on which information about the current account and parameters of the gaming machine is recorded, and the money won in the game could be exchanged back for real ones in the store. Naturally, the cards were also sold for quite real money, and if the game was unsuccessful, they burned out.