Bonanza Brothers, also referred to as 'Bonanza Bros.', is a 2D co-op stealth-action game released by Sega in 1990 for the Sega Genesis/Mega Drive. It features two brothers, Mobo and Robo, who are tasked with a series of heists to collect items from various locations. The game is known for its comical style, strategic gameplay, and unique split-screen feature for two-player cooperative play. It falls within the action genre, with a strong emphasis on stealth and arcade elements.