The Tamagotchi mix 20th Anniversary mix version is a commemorative version of the Tamagotchi mix released celebrating Tamagotchi's anniversary. It features access to Professor Banzo's Laboratory, Makkakka Town, Uratama Town, and the Gotchi King's Castle.

The Tamagotchi mix 20th Anniversary mix version is a commemorative version of the Tamagotchi mix released celebrating Tamagotchi's anniversary. It features access to Professor Banzo's Laboratory, Makkakka Town, Uratama Town, and the Gotchi King's Castle.