The Game Boy Color, launched in 1998, features a project called GBS Windows that mimics Windows 3.1, developed using GB Studio. This homage is available as a physical cartridge from an Etsy shop named RubenRetro, complete with a retail box that combines Game Boy and Windows 3.1 designs. The cartridge offers applications like Minesweeper, a game called “Cannon,” a MIDI piano, a media player, and a Paint program for pixel art. It includes a faux BIOS screen showing the “American Megatrain” text and the Game Boy Color's eight kilobytes of memory. The initial stock sold out quickly, but new retro boxes and accessories will be produced regularly. The package is priced around USD, with varying shipping costs from Spain.