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This article is about a Japanese Tamagotchi release.
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This article is about an English Tamagotchi release.
Gudetama Logo

Gudetama Packaging USA

Gudetama Packaging

Release date: Price:
  • Japan: December 27, 2017
  • USA: December 2, 2018
  • 2,484円, $19.99 (Solo)
  • 3,780円, $24.99 (With case)

The Gudetama Tamagotchi (ぐでたまたまごっち) is a licensed variant of the Tamagotchi Nano based on the Sanrio character Gudetama. It was originally released in Japan in December 2017, and was released in the USA in December 2018 as a GameStop exclusive.


While the Gudetama retains the same size shell and screen, the pixel resolution is increased from 24x24 pixels to 30x24 pixels. This design change would later be carried over to the Eevee Tamagotchi.

Like previous Nano releases, the Japanese edition of the Gudetama has the battery panel held on with a pressure tab. The English edition replaces the tab with a screw.


The Gudetama Tamagotchi has two growth stages, Baby and Adult. The baby stage is 24 hours long, and can die at this stage if it is neglected enough. The Adult stage will continue until either severe neglect or old age trigger it to be taken away by chopsticks.

The meal is a bottle of mayonnaise sauce during the baby stage, and a bottle of soy sauce at the adult stage. The snack is a tomato; Gudetama plays with it instead of eating it. There is no Poo function or equivalent.

Pressing the C button triggers a C-click reaction of the Gudetama talking to the player. For the Japanese version, the text scrolls on the left side of the screen. For the English version, the text scrolls above the screen. If Gudetama is hungry or unhappy, the text will change. Each evolution has its own unique quotes.

If its calls for food or to play are ignored for long enough, the Gudetama will sulk, and the user will not be able to feed or play games until it cheers it up by pressing the A button. When sulking, the Gudetama is vulnerable to chopsticks.


The Gudetama Tamagotchi's sole game consists of a guessing game. The player must pick which of two eggs they think Gudetama is hiding in. There are five rounds, and the player must guess correctly at least once to win. Gudetama has several unique poses for when it comes out of the egg.


The Gudetama is unique from previous versions of the Tamagotchi Nano as it includes the Predator function. Every now and then, a pair of chopsticks will attempt to take away the Gudetama. While they can be ignored and will eventually disappear, doing so while the Gudetama is sulking will result in it getting cooked.

Egg Dishes

The primary goal of the Gudetama Tamagotchi is to see all of the different Death screens, wherein the Gudetama is cooked in a microwave into an egg dish. While some conditions for certain screens are random, the adult that the Gudetama involves into and how it is cared for afterwards also influence which dish it is cooked into. If the Gudetama dies while still a baby, a "Ghost Gudetama" will appear instead of an egg dish.

There are a total of 20 possible death screens. Some are only available if other screens are unlocked, and therefore the player may be required to run multiple generations before certain ones are unlocked. When a new egg dish is unlocked after an evolution, a screen saying "Added New Menu!" will appear. As the Gudetama lacks an internal memory, all progress is lost if the batteries are replaced.



  • The Gudetama Tamagotchi is the first version of the Tamagotchi Nano to be released outside of Japan.
  • The Gudetama Tamagotchi is one of three Tamagotchis to feature Sanrio characters, the others being the Keitai Kaitsuu Tamagotchi Plus (as an item) and the Tamagotchi m!x.
  • The Gudetama Tamagotchi is the second licensed variant of the Tamagotchi Nano of three, the first being the Pocket Usatama and the third being the Eevee Tamagotchi.
  • The Gudetama Tamagotchi is the first Tamagotchi since the 2004 reboot to feature Predators.