A set of 3 Tamagotchi games for Game Boy. - Game Title: Tamagotchi 2 - Game Title: Tamagotchi - Game Title: Tamagotchi Os to Mesu (Male and Female) - Manufacturer: Bandai - Compatible System: Game Boy Thank you for viewing. I have confirmed that they work, but due to the age of the product, I cannot offer a guarantee. Returns and exchanges are not accepted to prevent product substitution. No dogs, no smokers. Items will be shipped using recycled materials and simple packaging.